{"title":"MOC Building Sets","description":"\u003cp\u003eExplore our exclusive collection of MOC (My Own Creation) building block sets and precision kinetic mechanisms. Featuring intricate gear transmissions, mechanical clockworks, and motorized STEM models designed for hobbyists, makers, and passionate builders.\u003c\/p\u003e","products":[{"product_id":"mini-motorized-cable-car-stem-building-block-set-parts-kit-digital-manual","title":"Mini Motorized Cable Car STEM Building Block Set (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/03_c0f7a331-1db0-416c-be2d-70cd60d68861.jpg?v=1792671441\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/04_1a01bbae-4559-4014-88f4-eec88dbfbe22.jpg?v=1792671441\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/05_dff6764f-8f1c-47a4-86c7-921e8ec0e9fd.jpg?v=1792671441\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/06_b01d5607-c541-409e-af3c-24b13b247041.jpg?v=1792671441\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/07_303f3113-a4f6-4969-b8d7-600e6d0effa0.jpg?v=1792671441\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/08_486e66f8-bf88-4ff5-9b8c-7e8842161b51.jpg?v=1792671441\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/09_3f87160c-0190-41a8-8ba6-78d0d44b5063.jpg?v=1792671441\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/10_d31e959a-64e1-4bf8-845b-cfc85f95a729.jpg?v=1792671441\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/11_1b2580bf-16b4-4253-9a73-546c171eccd5.jpg?v=1792671441\" alt=\"\"\u003eBring the thrill of alpine engineering to your desk. The \u003cstrong\u003eMini Motorized Cable Car STEM Building Block Set\u003c\/strong\u003e combines mechanical principles with hands-on building, allowing you to assemble a fully functional, motorized continuous-loop cableway complete with chairlifts and miniature passengers.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is an authentic MOC (My Own Creation) custom building block set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e To ensure safe transit, this set ships in secure protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Manual:\u003c\/strong\u003e No paper manual is included. The electronic PDF building instructions will be automatically sent to your email address upon package delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotorized Continuous Loop:\u003c\/strong\u003e Equipped with a compact electric motor module that continuously drives the overhead cable and pulley system with smooth, steady motion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic Mechanical Engineering:\u003c\/strong\u003e Features realistic gear reductions, tension pulleys, and dual support stations to demonstrate real-world physics and mechanical transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Chairlift Carriers:\u003c\/strong\u003e Includes two suspended passenger chairs with safety bars and two miniature figures ready for their alpine journey.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Parts Kit:\u003c\/strong\u003e Precision-molded ABS bricks fully compatible with major building block brands, ensuring durable construction and smooth gear rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Building Manual:\u003c\/strong\u003e Detailed, step-by-step electronic building guide accessible on any phone, tablet, or computer for a seamless assembly experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Cable Car Structural Bricks \u0026amp; Mechanical Parts Kit\u003c\/li\u003e\n\u003cli\u003e1x Compact Electric Motor \u0026amp; Power Module\u003c\/li\u003e\n\u003cli\u003eHigh-Tension Drive Cord \u0026amp; Pulley Wheels\u003c\/li\u003e\n\u003cli\u003e2x Chairlift Gondolas with Mini Figures\u003c\/li\u003e\n\u003cli\u003eDigital PDF Building Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ STEM Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Battery-powered motor module (batteries not included)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Mini Cable Car (Parts + E-Manual)","offer_id":67774231707965,"sku":null,"price":26.99,"currency_code":"USD","in_stock":true},{"title":"Cable Car (Parts + E-Manual)","offer_id":67774231740733,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"Ping Pong GBC Kit (Parts + E-Manual)","offer_id":67774231773501,"sku":null,"price":38.99,"currency_code":"USD","in_stock":true},{"title":"Looping Track Car Kit (Parts + E-Manual)","offer_id":67774231806269,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true},{"title":"Climbing Roller Coaster Kit (Parts + E-Manual)","offer_id":67774231839037,"sku":null,"price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU_01.jpg?v=1792678143"},{"product_id":"moc-mechanical-clock-kinetic-gear-stem-building-block-sets-parts-kit-digital-manual","title":"MOC Mechanical Clock \u0026 Kinetic Gear STEM Building Block Sets (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eElectric Mechanical Clock\u003c\/strong\u003e — 302 building-block pieces, comes with an \u003cstrong\u003eAA battery box\u003c\/strong\u003e and an \u003cstrong\u003e\"M\" motor\u003c\/strong\u003e. \u003cstrong\u003eBatteries are not included\u003c\/strong\u003e; you will need to provide your own. The assembly instructions are provided as a \u003cstrong\u003edigital PDF step-by-step guide\u003c\/strong\u003e — after you receive your parts kit, please contact our customer service to obtain the instructions. \u003cem\u003e(Please do not order if this is a concern.)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote on parts:\u003c\/strong\u003e Different production batches may have slight color differences on certain pieces, but pieces of the same specification still assemble together perfectly. Parts are manually packed, so occasionally pieces may be missing — if so, please contact customer service for a free replacement.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDiscover the fascinating world of horology and kinetic engineering with our \u003cstrong\u003eMOC Mechanical Clock \u0026amp; Precision Gear STEM Building Block Sets\u003c\/strong\u003e. Designed for makers, hobbyists, and STEM enthusiasts, each model showcases authentic mechanical transmission, complex gear reductions, and mesmerizing kinetic motion in action.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is an authentic MOC (My Own Creation) custom building block set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Ships securely in reinforced protective packaging without an original retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Manual:\u003c\/strong\u003e No paper manual is included. The electronic PDF building instructions will be sent to your email address upon package delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic Mechanical Clockwork \u0026amp; Transmission:\u003c\/strong\u003e Explore real mechanical principles including gear ratios, escapement mechanisms, pendulums, and kinetic rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Motorized \u0026amp; Dynamic Motion:\u003c\/strong\u003e Engineered for fluid mechanical movement, bringing intricate desk kinetic art to life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Parts Kit:\u003c\/strong\u003e Precision-molded ABS bricks with tight tolerances, fully compatible with major building block brands for smooth gear meshing and durable stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Building Guide:\u003c\/strong\u003e Clear, step-by-step electronic instructions accessible on your tablet, phone, or computer for an enjoyable assembly process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Model Variants\u003c\/h3\u003e\n\u003cp\u003eChoose your favorite mechanical marvel from our curated kinetic collection:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Mechanical Clock:\u003c\/strong\u003e Motorized clockwork mechanism demonstrating gear reduction and time-tracking gears.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlip-Digit Clock \u0026amp; Display:\u003c\/strong\u003e Classic split-flap mechanical digit flipping assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetronome:\u003c\/strong\u003e Rhythmic mechanical pendulum mechanism with adjustable tempo balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWind-Up Pendulum Clock:\u003c\/strong\u003e Traditional escapement gear system powered by kinetic counterweights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Ball \u0026amp; Self-Rotating Gear Globe:\u003c\/strong\u003e Intricate planetary gear assemblies in stunning spherical symmetry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalance Clock \u0026amp; Coaxial Three-Hand Clock:\u003c\/strong\u003e Horological masterpieces with concentric dial movements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Tachometer \u0026amp; Self-Balancing Mechanism:\u003c\/strong\u003e Dynamic physics assemblies illustrating velocity and gyroscopic equilibrium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model Specific MOC Bricks \u0026amp; Mechanical Gear Parts Kit\u003c\/li\u003e\n\u003cli\u003eElectric Motor Module \u0026amp; Power Box (included with motorized models)\u003c\/li\u003e\n\u003cli\u003eDigital PDF Building Instructions (Sent via email)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens \u0026amp; Adult Builders \/ STEM Hobbyists\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Electric Mechanical Clock (Parts + E-Manual)","offer_id":67780819943741,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true},{"title":"Flip-Digit Clock (Parts + E-Manual)","offer_id":67780819976509,"sku":null,"price":22.99,"currency_code":"USD","in_stock":true},{"title":"Flip-Digit Display (Parts + E-Manual)","offer_id":67780820009277,"sku":null,"price":21.99,"currency_code":"USD","in_stock":true},{"title":"Metronome (Parts + E-Manual)","offer_id":67780820042045,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true},{"title":"Wind-Up Pendulum Clock (Parts + E-Manual)","offer_id":67780820074813,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true},{"title":"Gear Ball (Parts + E-Manual)","offer_id":67780820107581,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true},{"title":"Self-Rotating Gear Globe (Parts + E-Manual)","offer_id":67780820140349,"sku":null,"price":37.99,"currency_code":"USD","in_stock":true},{"title":"Balance Clock (Parts + E-Manual)","offer_id":67780820173117,"sku":null,"price":58.99,"currency_code":"USD","in_stock":true},{"title":"Coaxial Three-Hand Mechanical Clock (Parts + E-Manual)","offer_id":67780820205885,"sku":null,"price":21.99,"currency_code":"USD","in_stock":true},{"title":"Mechanical Tachometer (Parts + E-Manual)","offer_id":67780820238653,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true},{"title":"Self-Balancing Mechanism (Parts + E-Manual)","offer_id":67780820271421,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__01.png?v=1792735994"},{"product_id":"moc-kinetic-wave-mechanism-gbc-mechanical-stem-building-block-sets-parts-kit-digital-manual","title":"MOC Kinetic Wave Mechanism \u0026 GBC Mechanical STEM Building Block Sets (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__01_2c88da11-6d03-4309-8b15-5f05da8cbab6.png?v=1792759777\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__02_1db327e4-a193-4fc1-b46d-08d7715419f3.jpg?v=1792759792\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__03_0519321a-281f-463c-a8bd-b7fd2a30a259.jpg?v=1792759804\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__04_9864bc05-2035-4eb4-9b0c-cd9f58c30cec.jpg?v=1792759816\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__05_7841b84a-e13b-412b-902b-5f762aa7e41d.jpg?v=1792759915\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__06_de81df9d-b8c7-4505-8ab6-6821c7bcc221.jpg?v=1792759931\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__07_25a1b675-dc0d-46e0-badc-6f7e25220f57.jpg?v=1792759948\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__07_25a1b675-dc0d-46e0-badc-6f7e25220f57.jpg?v=1792759948\" alt=\"\"\u003eImmerse yourself in the captivating beauty of mechanical motion with our \u003cstrong\u003eMOC Kinetic Wave Mechanism \u0026amp; Dynamic STEM Building Block Sets\u003c\/strong\u003e. Perfect for makers, hobbyists, engineering students, and mechanical enthusiasts, these interactive builds demonstrate real-world physics, gear synchronization, kinetic energy transfer, and rhythmic mechanical waves.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set consisting of high-precision loose building bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e To minimize shipping volume and environmental waste, all sets are safely packed in reinforced protective packaging without original retail color boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. An electronic step-by-step PDF assembly manual will be delivered via email upon package dispatch or customer support request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMesmerizing Kinetic Wave Motion:\u003c\/strong\u003e Observe undulating sinusoidal waves and rolling gear dynamics powered by authentic mechanical crank and link mechanisms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On STEM Education:\u003c\/strong\u003e Explore mechanical engineering concepts including gear meshing, reciprocating linkages, continuous track motion, and Great Ball Contraption (GBC) physics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision ABS Bricks:\u003c\/strong\u003e Manufactured from premium, eco-friendly ABS plastic with tight tolerances for seamless clutch power and smooth mechanical operation. Major brand compatible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Dynamic Options:\u003c\/strong\u003e Choose from mesmerizing desk kinetic sculptures, continuous ball lifts, loop cars, and coaster lift systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Model Variants\u003c\/h3\u003e\n\u003cp\u003eSelect your favorite dynamic kinetic set from our collection:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWave Mechanism — Rack:\u003c\/strong\u003e Features curved gear racks and meshing planetary pinions that create fluid, rolling mechanical waves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWave Mechanism — Track:\u003c\/strong\u003e Rhythmic kinetic wave assembly driven along a continuous track linkage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePing Pong GBC:\u003c\/strong\u003e A Great Ball Contraption module designed to cycle ping pong balls or spheres continuously through a mechanical loop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLooping Track Car:\u003c\/strong\u003e High-energy kinetic track mechanism propelling dynamic runner cars across continuous looped track lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClimbing Coaster:\u003c\/strong\u003e Dynamic roller-coaster style mechanical incline lift demonstrating gravity and chain-lift principles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Car:\u003c\/strong\u003e Mechanical aerial tramway \/ cable car system featuring tensioned line transport and return mechanisms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Mechanical Bricks \u0026amp; Gear Parts Kit\u003c\/li\u003e\n\u003cli\u003eDigital Step-by-Step PDF Building Manual (Sent electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens \u0026amp; Adult Hobbyists \/ STEM Educators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block brands\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Wave Mechanism — Rack (Parts + E-Manual)","offer_id":67783796752701,"sku":null,"price":26.99,"currency_code":"USD","in_stock":true},{"title":"Wave Mechanism — Track (Parts + E-Manual)","offer_id":67783796785469,"sku":null,"price":37.99,"currency_code":"USD","in_stock":true},{"title":"Ping Pong GBC (Parts + E-Manual)","offer_id":67783796818237,"sku":null,"price":38.99,"currency_code":"USD","in_stock":true},{"title":"Looping Track Car (Parts + E-Manual)","offer_id":67783796851005,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true},{"title":"Climbing Coaster (Parts + E-Manual)","offer_id":67783796883773,"sku":null,"price":37.99,"currency_code":"USD","in_stock":true},{"title":"Cable Car (Parts + E-Manual)","offer_id":67783796916541,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__01_2c88da11-6d03-4309-8b15-5f05da8cbab6.png?v=1792759777"},{"product_id":"moc-geometric-drawing-machine-kinetic-stem-building-block-sets-parts-kit-digital-manual","title":"MOC Geometric Drawing Machine \u0026 Kinetic STEM Building Block Sets (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eUnleash the wonders of mechanical engineering, geometry, and kinetic art with our \u003cstrong\u003eMOC Geometric Drawing Machine \u0026amp; Kinetic STEM Building Block Sets\u003c\/strong\u003e. From motorized spirograph drawing automata to mesmerizing mechanical irises and gyroscopic stabilizers, each build offers hands-on exploration of gear ratios, harmonic linkage motion, and mathematical curve generation.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e To optimize international shipping efficiency and reduce environmental impact, sets are safely delivered in reinforced protective packaging without original retail color boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be sent via email upon package dispatch or customer support request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor \u0026amp; Power:\u003c\/strong\u003e Motorized configurations include an electric motor and power box module. Batteries are not included and should be provided separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarmonic \u0026amp; Geometric Drawing Mechanics:\u003c\/strong\u003e Witness mechanical gears transform continuous motor rotation into complex mathematical curves, spirograph patterns, and geometric art.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInteractive Mechanical Principles:\u003c\/strong\u003e Explore real-world mechanical assemblies, including aperture iris mechanisms, planetary gearboxes, gyroscopic balancing, planimeters, and clock escapements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision ABS Components:\u003c\/strong\u003e Precision-molded bricks ensure smooth gear mesh, reliable friction fit, and high durability. 100% compatible with major building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngaging STEM Learning:\u003c\/strong\u003e An ideal hands-on project for makers, physics enthusiasts, STEM educators, and hobbyists of all ages.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Model Variants\u003c\/h3\u003e\n\u003cp\u003eChoose your favorite mechanical marvel or kinetic sculpture from our diverse collection:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlower Drawing Machine \u0026amp; 3D Flower Drawing Machine:\u003c\/strong\u003e Motorized linkage drawing mechanisms that create intricate blooming geometric and harmonic floral patterns with standard pens.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanimeter Kit:\u003c\/strong\u003e Classic mechanical integration instrument that measures arbitrary surface areas through precision tracing linkage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIris \u0026amp; Equilateral Iris Mechanisms:\u003c\/strong\u003e Multi-blade mechanical aperture diaphragms that expand and contract smoothly in unison.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Axis \u0026amp; Single-Axis Gyro Spinners:\u003c\/strong\u003e Kinetic desktop gyroscopic assemblies illustrating angular momentum and rotational equilibrium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpinning Ring Mechanism:\u003c\/strong\u003e Concentric rotating kinetic sculpture showcasing multi-ring continuous dynamic motion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Rotating Gear Globe \u0026amp; Gear Ball:\u003c\/strong\u003e Intricate spherical mechanical gearboxes demonstrating planetary gear reduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Clocks (Pendulum, Balance \u0026amp; Coaxial 3-Hand):\u003c\/strong\u003e Authentic horological mechanisms featuring escapement wheels, oscillating balance springs, and concentric dial gear trains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTachometer \u0026amp; Self-Balancing Mechanism:\u003c\/strong\u003e Dynamic physics assemblies illustrating centrifugal velocity measurement and counterweight self-stabilization.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Bricks \u0026amp; Mechanical Gear Parts Kit\u003c\/li\u003e\n\u003cli\u003eMotor Module \u0026amp; Battery Box (included with motorized variants)\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Sent electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adult Builders \u0026amp; STEM Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Flower Drawing Machine Kit (Parts + E-Manual)","offer_id":67784000799037,"sku":null,"price":22.99,"currency_code":"USD","in_stock":true},{"title":"3D Flower Drawing Machine Kit (Parts + E-Manual)","offer_id":67784000831805,"sku":null,"price":23.99,"currency_code":"USD","in_stock":true},{"title":"Planimeter Kit (Parts + E-Manual)","offer_id":67784000864573,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true},{"title":"Equilateral Iris Mechanism Kit (Parts + E-Manual)","offer_id":67784000897341,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true},{"title":"Spinning Ring Mechanism Kit (Parts + E-Manual)","offer_id":67784000930109,"sku":null,"price":20.99,"currency_code":"USD","in_stock":true},{"title":"Iris Mechanism Kit (Parts + E-Manual)","offer_id":67784000962877,"sku":null,"price":20.99,"currency_code":"USD","in_stock":true},{"title":"Dual-Axis Gyro Spinner Kit (Parts + E-Manual)","offer_id":67784000995645,"sku":null,"price":35.99,"currency_code":"USD","in_stock":true},{"title":"Single-Axis Gyro Spinner Kit (Parts + E-Manual)","offer_id":67784001028413,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Self-Rotating Gear Globe Kit (Parts + E-Manual)","offer_id":67784001061181,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"Gear Ball Mechanism Kit (Parts + E-Manual)","offer_id":67784001093949,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true},{"title":"Spring-Driven Pendulum Clock Kit (Parts + E-Manual)","offer_id":67784001126717,"sku":null,"price":22.99,"currency_code":"USD","in_stock":true},{"title":"Balance Clock Kit (Parts + E-Manual)","offer_id":67784001159485,"sku":null,"price":58.99,"currency_code":"USD","in_stock":true},{"title":"Coaxial Three-Hand Mechanical Clock Kit (Parts + E-Manual)","offer_id":67784001192253,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"Mechanical Tachometer Kit (Parts + E-Manual)","offer_id":67784001225021,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true},{"title":"Self-Balancing Mechanism Kit (Parts + E-Manual)","offer_id":67784001257789,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_dbc3e30b-279d-4069-b3be-0c1ea118f269.png?v=1792760798"},{"product_id":"moc-mechanical-claw-robotic-grabber-stem-building-kit","title":"MOC Mechanical Claw \u0026 Robotic Grabber STEM Building Kit","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_f2d23dca-88a2-4fb2-a59c-b9b8753677c7.png?v=1792766688\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__02.png?v=1792767196\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__03.png?v=1792767208\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__04.png?v=1792767216\" alt=\"\"\u003eBring engineering to life with the \u003cstrong\u003eMOC Mechanical Claw \u0026amp; Robotic Grabber Kit\u003c\/strong\u003e. Designed for builders, STEM enthusiasts, and robotics hobbyists, this interactive mechanical assembly demonstrates real-world gear transmission and linkage kinematics as you operate the smooth-grabbing claw mechanism.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic Mechanical Action:\u003c\/strong\u003e Integrated gear drive and multi-link mechanisms replicate industrial crane grabbers and robotic claws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On STEM Learning:\u003c\/strong\u003e Gain practical insight into mechanical engineering, gear ratios, and articulation principles while building.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Compatible Bricks:\u003c\/strong\u003e High-precision ABS parts fit seamlessly and securely for smooth, snag-free movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Claw Designs:\u003c\/strong\u003e Choose between specialized grabber geometries—from multi-link linkages to four-petal claw structures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep-by-Step E-Manual:\u003c\/strong\u003e Includes a clear, detailed electronic building manual to guide you smoothly through assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium eco-friendly ABS plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTheme:\u003c\/strong\u003e MOC Mechanical Engineering \/ STEM Learning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e Mechanical parts pack + Electronic Assembly Manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ years (contains small parts)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: This set includes building parts and a downloadable electronic manual (PDF\/digital). Assemble and experience the satisfying mechanical motion firsthand!\u003c\/em\u003e\u003c\/p\u003e","brand":"Lucky Magi","offers":[{"title":"Four-Claw Grabber (Parts + E-Manual)","offer_id":67784180597053,"sku":null,"price":12.99,"currency_code":"USD","in_stock":true},{"title":"Four-Petal Mechanical Claw (Parts + E-Manual)","offer_id":67784180629821,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true},{"title":"Multi-Link Mechanical Claw (Parts + E-Manual)","offer_id":67784180662589,"sku":null,"price":9.59,"currency_code":"USD","in_stock":true},{"title":"Mechanical Claw (Parts + E-Manual)","offer_id":67784180695357,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__01_28f8e56e-42d8-46be-93e3-d45e45667665.png?v=1792767161"},{"product_id":"moc-perpetual-marble-machine-kinetic-art-stem-building-kit","title":"MOC Perpetual Marble Machine Kinetic Art STEM Building Kit","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eImmerse yourself in mechanical motion and mesmerizing physics with the \u003cstrong\u003eMOC Perpetual Marble Machine Kinetic Building Kit\u003c\/strong\u003e. Combining hands-on STEM assembly with kinetic desk art, this mechanical marvel uses clever engineering to create a captivating continuous ball-cycling loop.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Kinetic Action:\u003c\/strong\u003e Features an ingenious mechanical lift and ramp mechanism that keeps the balls in perpetual motion, creating a soothing desk showcase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTEM Physics in Practice:\u003c\/strong\u003e Hands-on exploration of gravity, momentum, mechanical linkages, and gear-driven automated cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision ABS Components:\u003c\/strong\u003e Engineered with tight tolerances to ensure smooth rolling tracks and reliable mechanical operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Kinetic Desk Display:\u003c\/strong\u003e A striking centerpiece for office desks, study rooms, or engineering enthusiasts' collections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep-by-Step E-Manual:\u003c\/strong\u003e Includes a comprehensive digital manual to ensure an enjoyable and clear assembly experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade eco-friendly ABS plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTheme:\u003c\/strong\u003e MOC Kinetic Art \/ STEM Mechanical Engineering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e Complete building bricks set, kinetic rolling balls, and Electronic Assembly Manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ years (contains small parts)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: This set includes all mechanical building parts and a downloadable electronic manual (PDF\/digital). Enjoy the calming rhythm of mechanical kinetic art!\u003c\/em\u003e\u003c\/p\u003e","brand":"Lucky Magi","offers":[{"title":"Perpetual Ball Machine Kit (Parts + E-Manual)","offer_id":67784223523133,"sku":null,"price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_774ef03b-f446-4ad2-be0d-acc0f70a0953.jpg?v=1792767945"},{"product_id":"moc-mechanical-launcher-rubber-band-gun-stem-building-block-sets-parts-kit-digital-manual","title":"MOC Mechanical Launcher \u0026 Rubber Band Gun STEM Building Block Sets (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_219186b8-9f3b-4160-b832-c6838a03d708.png?v=1792800043\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__02_14345919-a21f-494e-b15d-240fda8e6ae0.png?v=1792800548\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__03_784403f3-9e08-4684-9927-a2834bbb2af6.png?v=1792800561\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__04_9cb190ea-db30-4f1b-b646-b9e1b0f73473.png?v=1792800571\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__05.png?v=1792800583\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__06.png?v=1792800593\" alt=\"\"\u003eBring mechanical engineering to life with our \u003cstrong\u003eMOC Mechanical Launcher \u0026amp; Rubber Band Gun STEM Building Block Sets\u003c\/strong\u003e. Featuring working gear trains, trigger linkages, magazine feeds, and elastic tension propulsion, each model provides a hands-on exploration of mechanical energy storage, trigger escapements, and rapid-fire mechanisms.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set made of high-quality loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e To ensure safe international delivery and reduce excess waste, sets are packaged securely in reinforced protective transit packaging without original retail color boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Step-by-step electronic PDF building manuals will be delivered via email upon shipment delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Designed for safe indoor target shooting using lightweight rubber bands or soft projectiles. Never aim at people, pets, or fragile objects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Mechanical Functions:\u003c\/strong\u003e Authentic gear mechanisms, rotating drums, trigger releases, and tension-loaded firing pins demonstrate mechanical physics in action.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Iconic Designs:\u003c\/strong\u003e Choose from rotary Gatling guns, continuous rapid-fire belt feeders, precision crossbows, and historical repeating crossbows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision ABS Bricks:\u003c\/strong\u003e Precision-molded technical beams, gears, axles, and connectors ensure smooth mechanical action and high durability. 100% compatible with major building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngaging STEM Learning:\u003c\/strong\u003e An engaging DIY build for builders, engineers, mechanical puzzle enthusiasts, and desktop gadget collectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Models\u003c\/h3\u003e\n\u003cp\u003eSelect your favorite mechanical launcher or assemble the full arsenal:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Fire Gun:\u003c\/strong\u003e Features a continuous rotating ammo belt track for rapid-fire elastic launching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Band Gatling Gun:\u003c\/strong\u003e Classic multi-barrel rotating mechanism engineered for high-capacity rubber band barrage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZhuge Repeating Crossbow:\u003c\/strong\u003e An ancient engineering marvel featuring an authentic lever-cocking top magazine feeder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGun-Shaped Crossbow Launcher:\u003c\/strong\u003e Ergonomic tactical grip combined with bowstring tension release mechanics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc Shooter:\u003c\/strong\u003e High-velocity rotary wheel feed designed to launch lightweight discs across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMini Crossbow Launcher:\u003c\/strong\u003e Compact desktop-sized precision crossbow with spring-loaded release.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel-Specific MOC Technical Bricks \u0026amp; Mechanical Components Kit\u003c\/li\u003e\n\u003cli\u003eLaunch Accessories \/ Elastic Bands (where applicable)\u003c\/li\u003e\n\u003cli\u003eDigital Step-by-Step PDF Manual (Sent electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adult Builders \u0026amp; STEM Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block brands\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Rapid Fire Gun (Parts + E-Manual)","offer_id":67787202167101,"sku":null,"price":33.99,"currency_code":"USD","in_stock":true},{"title":"Disc Shooter (Parts + E-Manual)","offer_id":67787202199869,"sku":null,"price":29.99,"currency_code":"USD","in_stock":true},{"title":"Gun-shaped Crossbow Launcher (Parts + E-Manual)","offer_id":67787202232637,"sku":null,"price":31.99,"currency_code":"USD","in_stock":true},{"title":"Rubber Band Gatling Gun (Parts + E-Manual)","offer_id":67787202265405,"sku":null,"price":33.99,"currency_code":"USD","in_stock":true},{"title":"Zhuge repeating crossbow (Parts + E-Manual)","offer_id":67787202298173,"sku":null,"price":33.99,"currency_code":"USD","in_stock":true},{"title":"Mini Crossbow Launcher (Parts + E-Manual)","offer_id":67787202330941,"sku":null,"price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_219186b8-9f3b-4160-b832-c6838a03d708.png?v=1792800043"},{"product_id":"moc-mechanical-flip-dot-digital-number-display-stem-building-block-kit-parts-kit-digital-manual","title":"MOC Mechanical Flip-Dot Digital Number Display STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eDiscover the fascinating intersection of mechanical computing and kinetic engineering with the \u003cstrong\u003eMOC Mechanical Flip-Dot Digital Number Display STEM Building Block Kit\u003c\/strong\u003e. Featuring a hand-cranked cam drum program memory, precision linkage pushrods, and a mechanical pixel matrix display, this intricate model mechanically calculates and displays numbers from 0 to 9 without electricity or electronics.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e To optimize international shipping efficiency and reduce environmental impact, sets are safely delivered in reinforced protective packaging without original retail color boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon package dispatch or customer support request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Cam-Drum Programming:\u003c\/strong\u003e Operates using an ingenious rotating mechanical drum with keyed cam pins that act as physical read-only memory (ROM), mechanically encoding digits 0 through 9.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Linkage Transmission:\u003c\/strong\u003e Rotating the hand crank turns the cam barrel, translating rotational motion into selective linear movement across multi-tier pushrods and return bands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Matrix Display:\u003c\/strong\u003e Watch mechanical pixel pins smoothly extend and retract on the front panel to form crisp, legible numeric characters in real time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, axles, pins, and liftarms guarantee smooth mechanical synchronization and reliable tactile operation. 100% compatible with major building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Mechanical STEM Education:\u003c\/strong\u003e An extraordinary display piece and educational demonstrator showcasing early computing logic, automata mechanisms, and mechanical engineering fundamentals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn the smooth-action hand crank located on the drive axle.\u003c\/li\u003e\n\u003cli\u003eThe rotating cam drum indexes through sequential digit patterns encoded into its mechanical profile.\u003c\/li\u003e\n\u003cli\u003ePrecision follower arms read the drum contours and push forward the corresponding front matrix pins.\u003c\/li\u003e\n\u003cli\u003eThe high-contrast yellow-and-black pixel grid dynamically updates to display each successive number.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks \u0026amp; Linkage Parts Kit\u003c\/li\u003e\n\u003cli\u003eElastic Tension Bands \u0026amp; Follower Components\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Sent electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual Hand-Crank Mechanism (No batteries or motors required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adult Builders \u0026amp; Engineering Hobbyists\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Hand-Crank Flip-Dot Mechanical Numbers (Parts + E-Manual)","offer_id":67787207278909,"sku":null,"price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_d688223b-04b1-4775-a103-ef5a35b8901a.png?v=1792801795"},{"product_id":"moc-technic-hydraulic-floor-jack-mechanical-stem-building-block-kit-parts-kit-digital-manual","title":"MOC Technic Hydraulic Floor Jack Mechanical STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eBring authentic automotive garage realism to your workshop with the \u003cstrong\u003eMOC Technic Hydraulic Floor Jack Mechanical STEM Building Block Kit\u003c\/strong\u003e. Designed with functional lever linkages, simulated hydraulic cylinder dampers, rolling casters, and a directional maneuvering handle, this working mechanic's floor jack model is the perfect companion for Technic supercars, garage dioramas, and mechanical enthusiasts.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e To optimize international shipping efficiency and reduce environmental impact, sets are safely delivered in reinforced protective packaging without original retail color boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon package dispatch or customer support request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Lifting Mechanism:\u003c\/strong\u003e Features an engineered pivot arm and simulated hydraulic piston assembly that raises and lowers smoothly, recreating the mechanics of a real garage service jack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManeuverable Garage Trolley Design:\u003c\/strong\u003e Equipped with front load wheels, rear rolling casters, and a tilting T-handle for positioning underneath vehicle chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibrant Color Editions:\u003c\/strong\u003e Available in high-visibility Yellow, Workshop Red, Industrial Light Gray, and Stealth Black to match your garage aesthetics or display collection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, axles, liftarms, and pins ensure tight clutch power, durability, and smooth mechanical articulation. 100% compatible with major building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On STEM Learning:\u003c\/strong\u003e A rewarding build demonstrating hydraulic simulation, mechanical leverage, load distribution, and structural reinforcement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSteer and position the low-profile lifting saddle under your vehicle's lift points using the long lever handle.\u003c\/li\u003e\n\u003cli\u003ePump or actuate the lever arm to engage the simulated cylinder mechanism and raise the lifting plate.\u003c\/li\u003e\n\u003cli\u003eDisplay your completed model as a standalone mechanical art piece or alongside 1:8, 1:10, and 1:12 scale brick vehicles.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks \u0026amp; Mechanical Parts Kit\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual Mechanical Linkage (No batteries or motors required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adult Builders \u0026amp; Technic Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Yellow Lifting Jack (Parts + E-Manual)","offer_id":67817713369405,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true},{"title":"Red Lifting Jack (Parts + E-Manual)","offer_id":67817713402173,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true},{"title":"Light Gray Lifting Jack (Parts + E-Manual)","offer_id":67817713434941,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true},{"title":"Black Lifting Jack (Parts + E-Manual)","offer_id":67817713467709,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__01_2effc5df-d0f8-4264-b3e4-f53f423dd5ce.png?v=1793094937"},{"product_id":"moc-mechanical-crank-rack-reciprocating-mechanism-stem-building-block-set-parts-kit-digital-manual","title":"MOC Mechanical Crank \u0026 Rack Reciprocating Mechanism STEM Building Block Set (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eExplore the principles of mechanical physics and kinematic motion conversion with the \u003cstrong\u003eMOC Mechanical Crank \u0026amp; Rack Reciprocating Mechanism STEM Building Block Set\u003c\/strong\u003e. Designed as a hands-on mechanical engineering demonstrator, this model combines a hand-cranked drive, slotted oscillating rocker arm, and precision rack-and-pinion gear engagement to convert continuous rotational input into smooth linear reciprocating motion.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e To optimize international shipping efficiency and reduce environmental impact, sets are safely delivered in reinforced protective packaging without original retail color boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon package dispatch or customer support request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotary to Reciprocating Conversion:\u003c\/strong\u003e Demonstrates how continuous 360-degree rotational input from a hand crank translates into oscillating pendulum motion and alternating linear rack movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlotted Lever \u0026amp; Gear-Rack Mechanism:\u003c\/strong\u003e Features a slotted guide link driven by an offset crank pin, meshing an oscillating gear sector with a horizontal toothed gear rack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTactile \u0026amp; Visual Mechanical Learning:\u003c\/strong\u003e Perfect for physics students, educators, young engineers, and mechanical hobbyists looking to understand linkage dynamics and gear-train principles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, axles, gears, and pins ensure low friction, consistent tooth engagement, and smooth cycling. 100% compatible with major building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Kinetic Desk Display:\u003c\/strong\u003e An engaging mechanical automata desk toy that offers satisfying, interactive tactile operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRotate the ergonomic red hand crank clockwise or counterclockwise.\u003c\/li\u003e\n\u003cli\u003eThe offset crank pin glides smoothly within the slotted upright guide arm, oscillating the arm from side to side.\u003c\/li\u003e\n\u003cli\u003eThe bottom drive gear follows the arm's arc and drives the horizontal red gear rack smoothly back and forth along the base track.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks, Gears \u0026amp; Linkage Parts Kit\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual Hand Crank (No batteries or motors required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Students \u0026amp; Engineering Hobbyists\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Crank and Rack Reciprocating Mechanism","offer_id":67817835364669,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/06_e51cb6f9-100e-46f2-b680-62e96e1f1b1c.png?v=1793095797"},{"product_id":"moc-internal-ring-gear-ratchet-indexing-mechanism-stem-building-block-set-parts-kit-digital-manual","title":"MOC Internal Ring Gear Ratchet Indexing Mechanism STEM Building Block Set (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eDiscover the elegance of mechanical kinematics with the \u003cstrong\u003eMOC Internal Ring Gear Ratchet Indexing Mechanism STEM Building Block Set\u003c\/strong\u003e. Featuring a hand-cranked linkage drive, an oscillating ratchet pawl with tension band return, and a large-diameter internal ring gear, this intricate demonstrator model converts continuous manual cranking into rhythmic, one-way incremental stepping motion.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e To optimize international shipping efficiency and reduce environmental impact, sets are safely delivered in reinforced protective packaging without original retail color boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon package dispatch or customer support request.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Ring Gear Ratchet Architecture:\u003c\/strong\u003e Utilizes an expansive internal toothed ring gear driven by a spring-loaded driving pawl, demonstrating industrial indexing and escapement principles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinkage-Driven Stepping Motion:\u003c\/strong\u003e The ergonomic hand crank rotates a driving axle, pushing a diagonal connecting rod that oscillates the central ratchet carrier forward and back with satisfying mechanical precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnidirectional Incremental Advance:\u003c\/strong\u003e Each full rotation of the hand crank indexes the large internal ring gear forward by a set angle while preventing backward slip, creating a hypnotic mechanical rhythm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, axles, gears, and structural pins ensure low friction, consistent tooth engagement, and long-lasting durability. 100% compatible with major building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKinetic STEM Education \u0026amp; Desk Art:\u003c\/strong\u003e An engaging desktop automata piece and educational engineering aid illustrating ratchet-and-pawl mechanisms, linkage kinematics, and gear-train transmission.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRotate the ergonomic red handle on the rear crank arm.\u003c\/li\u003e\n\u003cli\u003eThe diagonal connecting link translates rotational crank movement into reciprocal oscillation of the pivot rocker.\u003c\/li\u003e\n\u003cli\u003eThe tensioned driving pawl engages the teeth of the internal ring gear, advancing it forward one increment per stroke.\u003c\/li\u003e\n\u003cli\u003eOn the return stroke, the pawl glides smoothly over the tooth back before re-engaging the next tooth for continuous indexing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks, Internal Ring Gear \u0026amp; Linkage Parts Kit\u003c\/li\u003e\n\u003cli\u003eElastic Tension Band \u0026amp; Precision Pivot Components\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual Hand Crank (No batteries or motors required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Students \u0026amp; Mechanical Engineering Hobbyists\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Internal Ring Gear Ratchet Mechanism (Parts + E-Manual)","offer_id":67818120610109,"sku":null,"price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/06_9ef6e257-d207-42c9-956b-a01008684ed4.png?v=1793096291"},{"product_id":"moc-motorized-escalator-module-moving-staircase-stem-building-block-kit-parts-kit-digital-manual","title":"MOC Motorized Escalator Module \u0026 Moving Staircase STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eExperience the mechanics of modern urban transit engineering with the \u003cstrong\u003eMOC Motorized Escalator Module \u0026amp; Moving Staircase STEM Building Block Kit\u003c\/strong\u003e. Engineered with a continuous circulating track of stepped treads, synchronized moving handrails, and a precision gear-reduction motor drive, this realistic mechanical escalator brings dynamic kinetic automation to your building block cityscapes, train stations, and modular displays.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and motorized mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e To optimize international shipping efficiency and reduce environmental impact, sets are safely delivered in reinforced protective packaging without original retail color boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon package dispatch or customer support request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Requirements:\u003c\/strong\u003e Motorized models require standard buyer-supplied batteries (e.g., AA\/AAA batteries, not included due to international air transport regulations).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronized Motorized Drive:\u003c\/strong\u003e Powered by an electric motor and integrated battery box, driving precision reduction gears to propel continuous stepped treads and synchronous handrails smoothly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRealistic Escalator Tread Kinematics:\u003c\/strong\u003e Accurately simulates real-world escalator mechanics—steps transition seamlessly from flat comb landing plates into an inclined climb before flattening out at the top landing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Handrail \u0026amp; Balustrade System:\u003c\/strong\u003e Equipped with realistic balustrade pillars, safety guide frames, and tensioned handrail belts that circulate in tandem with the steps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Compatibility:\u003c\/strong\u003e Perfect for urban modular layouts, transit hubs, shopping mall dioramas, minifigure transport, or integration into kinetic marble and GBC (Great Ball Contraption) loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, liftarms, gears, chain links, and tread plates deliver robust structural rigidity, low-friction operation, and lasting reliability. 100% compatible with major building block brands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInstall fresh batteries into the base-mounted power battery box.\u003c\/li\u003e\n\u003cli\u003eToggle the forward\/reverse switch on the battery control unit.\u003c\/li\u003e\n\u003cli\u003eThe high-torque motor drives the upper drive sprocket via gear reduction, circulating the step chain up or down the incline.\u003c\/li\u003e\n\u003cli\u003eWatch figures, trolleys, or display cargo ride smoothly from ground level to the elevated upper platform.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks, Step Treads \u0026amp; Linkage Parts Kit\u003c\/li\u003e\n\u003cli\u003eElectric Motor \u0026amp; Battery Box Unit (Selected Motorized Version)\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower System:\u003c\/strong\u003e Electric Motor + Battery Box (Batteries not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adult Builders \u0026amp; Modular City Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Escalator Module (Parts + E-Manual)","offer_id":67819432706365,"sku":null,"price":45.99,"currency_code":"USD","in_stock":true},{"title":"Loop Trolley (Parts + E-Manual)","offer_id":67819432739133,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/SKU__01_7135fc94-52c3-48a3-87d1-b6ad3591af83.png?v=1793101258"},{"product_id":"moc-mechanical-track-cable-car-set","title":"MOC Mechanical Track \u0026 Cable Car Building Set - Kinetic STEM Assembly","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eBring the thrill of kinetic engineering directly to your desk with this intricate \u003cstrong\u003eMOC Mechanical Track \u0026amp; Cable Car Building Set\u003c\/strong\u003e. Designed for building enthusiasts and aspiring engineers alike, each kit transforms premium precision bricks into a mesmerizing gear-driven mechanical marvel featuring looping tracks, suspended cable cars, and continuous motion.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKinetic Gear Transmission:\u003c\/strong\u003e Engineered with high-precision gears, dynamic pulleys, and smooth track connectors to deliver seamless, continuous mechanical movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTEM Educational Engineering:\u003c\/strong\u003e Explore real-world physics, gear ratios, kinetic motion, and spatial mechanics through hands-on creative building.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Track System:\u003c\/strong\u003e Fully compatible with standard building block systems, allowing custom layout expansions and seamless integration into larger MOC cityscapes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInteractive Mechanical Action:\u003c\/strong\u003e Choose between looping coaster tracks, overhead suspended cable cars, climbing lifts, and kinetic ball-run mechanisms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e MOC Mechanical Kinetic Building Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade, eco-friendly ABS plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block brands\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ years (contains small parts)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOC Loose Brick Parts Kit:\u003c\/strong\u003e This is a custom MOC (My Own Creation) parts kit carefully sorted for passionate builders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEco-Friendly Packaging:\u003c\/strong\u003e Shipped in safe, reinforced protective packaging without a retail color box to reduce shipping waste and keep parts secure in transit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic PDF Manual:\u003c\/strong\u003e To support environmental sustainability, no printed paper booklet is included. Step-by-step PDF instructions will be sent to your email upon fulfillment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower \u0026amp; Batteries:\u003c\/strong\u003e Motorized configurations operate on standard batteries (batteries not included; please prepare required AA\/AAA batteries separately).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Cable Car (Parts + E-Manual)","offer_id":67839746015549,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"Ping Pong GBC Kit (Parts + E-Manual)","offer_id":67839746048317,"sku":null,"price":38.99,"currency_code":"USD","in_stock":true},{"title":"Looping Track Car Kit (Parts + E-Manual)","offer_id":67839746081085,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true},{"title":"Climbing Roller Coaster Kit (Parts + E-Manual)","offer_id":67839746113853,"sku":null,"price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/02_ff1b6a78-fcc6-4e46-ae47-557ae2ee400d.png?v=1793197589"},{"product_id":"moc-mechanical-kinetic-automata-desk-toy-stem-building-block-sets-parts-kit-digital-manual","title":"MOC Mechanical Kinetic Automata \u0026 Desk Toy STEM Building Block Sets (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eBring mechanical engineering and kinetic motion to life with the \u003cstrong\u003eMOC Mechanical Kinetic Automata \u0026amp; Desk Toy STEM Building Block Sets\u003c\/strong\u003e. Featuring mesmerizing gear trains, multi-bar linkages, and dynamic kinetic structures, each design demonstrates foundational mechanical principles while serving as an eye-catching, interactive desk sculpture.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building kit composed of high-grade loose technical bricks and precision mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEco-Friendly Protective Packaging:\u003c\/strong\u003e To minimize transit damage and reduce shipping bulk, all sets are shipped in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Any motorized versions or battery boxes require buyer-supplied standard batteries (not included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKinetic Motion \u0026amp; Automata Dynamics:\u003c\/strong\u003e Experience the captivating rhythm of gears, oscillating rocker arms, and complex mechanical linkages working in complete harmony.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On STEM Learning:\u003c\/strong\u003e Explore core concepts of gear ratios, rotational-to-linear motion conversion, and mechanical timing through engaging tactile assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, axles, and gears ensure smooth cycling, minimal friction, and durable performance. 100% compatible with major building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInteractive Desktop Display:\u003c\/strong\u003e Perfect as a stress-relieving fidget toy, executive desk centerpiece, or educational physics demonstrator.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Models\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard Worker:\u003c\/strong\u003e A dynamic kinetic walking\/stair-climbing figure automaton powered by complex gear reductions and reciprocating leg linkages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStylish Hemisphere:\u003c\/strong\u003e A mesmerizing multi-tier rotating geometric mechanism showcasing spherical gear transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple Ring:\u003c\/strong\u003e An intricate interlocking tri-axial gyroscopic ring structure with multi-directional kinetic rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMystic Sphere:\u003c\/strong\u003e A captivating mechanical sphere displaying continuous synchronized gear interaction and orbital motion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Non-Toxic ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Students \u0026amp; Engineering Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major technical brick systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e Complete MOC Technical Bricks Parts Kit + Digital PDF Building Guide (Sent via Email)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Hard Worker (Parts + E-Manual)","offer_id":67844643127613,"sku":null,"price":31.99,"currency_code":"USD","in_stock":true},{"title":"Stylish Hemisphere (Parts + E-Manual)","offer_id":67844643160381,"sku":null,"price":33.99,"currency_code":"USD","in_stock":true},{"title":"Triple Ring (Parts + E-Manual)","offer_id":67844643193149,"sku":null,"price":33.99,"currency_code":"USD","in_stock":true},{"title":"Mystic Sphere (Parts + E-Manual)","offer_id":67844643225917,"sku":null,"price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_7167acf9-854a-4097-96c7-85e94ee59268.png?v=1793233467"},{"product_id":"moc-mechanical-gear-pin-reciprocator-stem-building-block-kit-parts-kit-digital-manual","title":"MOC Mechanical Gear Pin Reciprocator STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eExplore the principles of mechanical engineering and kinematic motion conversion with the \u003cstrong\u003eMOC Mechanical Gear Pin Reciprocator STEM Building Block Kit\u003c\/strong\u003e. Designed as an interactive mechanical demonstrator, this compact desktop model demonstrates how continuous rotary gear transmission translates into precision oscillating and reciprocating motion through synchronized pin-and-gear interactions.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and precision mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Packaging:\u003c\/strong\u003e To ensure safe international delivery and reduce packaging waste, all sets are shipped in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Manual operation by default (requires no batteries). If motorized, buyer supplies required batteries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKinematic Motion Conversion:\u003c\/strong\u003e Translates smooth 360-degree rotational input from the rear drive crank into synchronized reciprocating linear travel across the front gear rack guide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Gear Train \u0026amp; Pin Mechanism:\u003c\/strong\u003e Features an interlocking assembly of bevel and spur gears, oscillating linkage arms, and guide pins engineered for low friction and fluid cycling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInteractive STEM Learning:\u003c\/strong\u003e A tangible, hands-on physics demonstrator ideal for students, makers, mechanical enthusiasts, and STEM educators exploring gear ratio dynamics and linkage systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, axles, and gears ensure durable engagement, minimal tolerance drift, and smooth cycling. 100% compatible with major technical building block systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Kinetic Desk Sculpture:\u003c\/strong\u003e An engaging mechanical automata desk toy offering satisfying, tactile operation and stress-relieving fidget interaction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn the rear drive axle\/crank clockwise or counterclockwise.\u003c\/li\u003e\n\u003cli\u003eThe central drive gear meshes with the secondary gear reduction train, driving the vertical shaft and top eccentric cam.\u003c\/li\u003e\n\u003cli\u003eThe synchronized gear pins oscillate the lateral swing arms, driving the front toothed rack smoothly back and forth along its travel path.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks, Gears \u0026amp; Pin Linkage Parts Kit\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual Hand Drive (No batteries required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Students \u0026amp; Engineering Hobbyists\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Gear Pin Reciprocator (Parts + E-Manual)","offer_id":67844682744125,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_342777eb-0cd4-4bb5-862f-c8b925a8770f.png?v=1793236956"},{"product_id":"moc-mechanical-serpentine-linkage-kinetic-wave-stem-building-block-kit-parts-kit-digital-manual","title":"MOC Mechanical Serpentine Linkage \u0026 Kinetic Wave STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eWitness the beauty of synchronized wave dynamics and gear-train physics with the \u003cstrong\u003eMOC Mechanical Serpentine Linkage \u0026amp; Kinetic Wave STEM Building Block Kit\u003c\/strong\u003e. Featuring a vertical cascading gear tower linked to alternating offset crank arms, this interactive mechanical sculpture transforms simple hand-crank rotation into a mesmerizing, fluid serpentine ripple motion.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and precision mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Packaging:\u003c\/strong\u003e To ensure safe international delivery and reduce packaging waste, all sets are safely shipped in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Manual operation by default (requires no batteries). If motorized, buyer supplies required batteries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMesmerizing Serpentine Wave Motion:\u003c\/strong\u003e Converts continuous manual crank rotation into undulating, multi-segmented kinetic waves through precision-timed offset linkages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertical Cascading Gear Train:\u003c\/strong\u003e Demonstrates alternating rotational directions and mechanical power transmission along a stacked column of technical spur gears.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInteractive Tactile Desk Toy:\u003c\/strong\u003e An engaging mechanical automata and executive desk toy offering smooth tactile feedback and soothing stress-relief.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On STEM Education:\u003c\/strong\u003e Provides a clear visual and tactile exploration of gear meshing, phase angle offsets, and kinematic link chain behavior for students, makers, and hobbyists.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS liftarms, axles, and gears deliver low friction, tight tolerance, and consistent rotation. 100% compatible with major building block systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRotate the ergonomic rear hand crank clockwise or counterclockwise.\u003c\/li\u003e\n\u003cli\u003eThe input axle drives the vertical gear tower, spinning consecutive meshed gears in alternating clockwise and counterclockwise directions.\u003c\/li\u003e\n\u003cli\u003eOffset crank pins on each gear actuate the front articulated red linkages with phased timing, producing a continuous cascading wave motion.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks, Gears \u0026amp; Linkage Parts Kit\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual Hand Crank (No batteries required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Students \u0026amp; Engineering Hobbyists\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Serpentine Linkage (Parts + E-Manual)","offer_id":67844756734269,"sku":null,"price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_21f377b9-2547-46b2-8bb0-b20ac0d58316.jpg?v=1793237403"},{"product_id":"moc-mechanical-anti-tank-artillery-gun-crossbow-launcher-stem-building-block-sets-parts-kit-digital-manual","title":"MOC Mechanical Anti-Tank Artillery Gun \u0026 Crossbow Launcher STEM Building Block Sets (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eBring military engineering and physical firing dynamics to life with the \u003cstrong\u003eMOC Mechanical Anti-Tank Artillery Gun \u0026amp; Crossbow Launcher STEM Building Block Sets\u003c\/strong\u003e. Featuring functional spring-loaded mechanisms, elevation gear controls, wheeled split-trail carriages, and elastic tension triggers, each model offers an engaging, hands-on exploration of mechanical kinetic energy, ballistic trajectory, and tactical assembly.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Protective Packaging:\u003c\/strong\u003e To ensure safe international delivery and reduce environmental waste, all sets are safely delivered in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Step-by-step electronic PDF building manuals will be delivered via email upon package dispatch or customer request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Warning:\u003c\/strong\u003e Designed for safe indoor recreation and target practice with soft projectiles. Never aim at people, pets, or fragile household items.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuthentic Mechanical Operation:\u003c\/strong\u003e Features functional elevation gearing, recoil-dampened split-trail carriage legs, and pull-cord or trigger-release firing mechanisms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Tactical Models:\u003c\/strong\u003e Choose between mobile anti-tank field artillery, repeating Zhuge crossbows, rotary rubber band Gatling guns, and tactical crossbow launchers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On Ballistic \u0026amp; STEM Learning:\u003c\/strong\u003e Explore the physics of potential-to-kinetic energy conversion, projectile mechanics, and trigger escapement linkages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, axles, gears, and wheels ensure high structural rigidity and consistent firing cycles. 100% compatible with major building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInteractive Desktop Display:\u003c\/strong\u003e An impressive engineering showpiece for military history enthusiasts, STEM builders, and tabletop target gaming.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Models\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Tank Gun Model:\u003c\/strong\u003e Iconic field gun featuring wheeled split-trail carriage, gun shield armor, elevation adjustment, and pull-cord spring-assisted projectile launching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGun-style Crossbow Mechanism:\u003c\/strong\u003e Ergonomic tactical pistol grip combined with a mechanical bowstring tension trigger release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Band Gatling Model:\u003c\/strong\u003e Multi-barrel rotary mechanism designed for high-capacity continuous elastic band launching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZhuge Repeating Crossbow Model:\u003c\/strong\u003e Authentic ancient siege mechanism with a top-mounted gravity magazine and lever-cocking action.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMini Crossbow Mechanism:\u003c\/strong\u003e Compact desktop crossbow demonstrator exploring bow limb deflection and quick-release catch physics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall Crossbow Model:\u003c\/strong\u003e Precision handheld crossbow model featuring adjustable tension and sight line rails.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks \u0026amp; Launcher Mechanical Parts Kit\u003c\/li\u003e\n\u003cli\u003eModel-Specific Launch Accessories \/ Projectiles \/ Rubber Bands (where applicable)\u003c\/li\u003e\n\u003cli\u003eDigital Step-by-Step PDF Manual (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual Mechanical \/ Spring \/ Tension Release (No batteries required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adults \u0026amp; STEM Builders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major technical building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Anti-Tank Gun Model (Parts + E-Manual)","offer_id":67845960728893,"sku":null,"price":31.99,"currency_code":"USD","in_stock":true},{"title":"Gun-style Crossbow Mechanism (Parts + E-Manual)","offer_id":67845960761661,"sku":null,"price":31.99,"currency_code":"USD","in_stock":true},{"title":"Rubber Band Gatling Model (Parts + E-Manual)","offer_id":67845960794429,"sku":null,"price":31.99,"currency_code":"USD","in_stock":true},{"title":"Zhuge Repeating Crossbow Model (Parts + E-Manual)","offer_id":67845960827197,"sku":null,"price":31.99,"currency_code":"USD","in_stock":true},{"title":"Mini Crossbow Mechanism (Parts + E-Manual)","offer_id":67845960859965,"sku":null,"price":16.99,"currency_code":"USD","in_stock":true},{"title":"Small Crossbow Model (Parts + E-Manual)","offer_id":67845960892733,"sku":null,"price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_bda9d5b5-af60-4678-a673-0132cf53ca23.png?v=1793238506"},{"product_id":"moc-infinity-folding-cube-desk-fidget-toy-stem-building-block-kit-parts-kit-digital-manual","title":"MOC Infinity Folding Cube Desk Fidget Toy STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eEndlessly flip, fold, and transform with the \u003cstrong\u003eMOC Infinity Folding Cube Desk Fidget Toy STEM Building Block Kit\u003c\/strong\u003e. Composed of eight interconnected sub-cubes linked by precision hinge brackets, this pocket-sized tactile puzzle cycles continuously in an infinite loop, providing satisfying sensory feedback, anxiety relief, and focused relaxation at your desk.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block kit composed of premium loose technical bricks, smooth flat tiles, and interlocking hinge elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Packaging:\u003c\/strong\u003e To minimize shipping bulk and environmental impact, all sets are safely delivered in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfinite Tactile Folding:\u003c\/strong\u003e Folds endlessly from a compact cube into a flat rectangular prism and back again in a seamless, fluid motion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensory Stress Relief \u0026amp; Focus:\u003c\/strong\u003e An ideal EDC (Everyday Carry) sensory fidget desk toy for improving focus, relieving work anxiety, and keeping restless hands occupied.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Geometric Symmetry:\u003c\/strong\u003e Features high-contrast red and black finished tiles for a sleek, modern desktop aesthetic and tactile finger grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS bricks and wear-resistant hinge pins deliver effortless folding resistance with zero binding. 100% compatible with major building block systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePocket-Sized \u0026amp; Portable:\u003c\/strong\u003e Compact and lightweight design makes it easy to carry in pockets, backpacks, or keep on your office workspace.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eHold the cube in one or both hands and push the outer blocks inward or outward along the internal hinges.\u003c\/li\u003e\n\u003cli\u003eWatch the cube flatten into a 2x4 rectangular bar, then fold again along the perpendicular axis into a new cube formation.\u003c\/li\u003e\n\u003cli\u003eRepeat the sequence endlessly in any direction without stopping or jamming.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks, Tiles \u0026amp; Hinge Parts Kit\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Non-Toxic ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual Continuous Folding Loop (No batteries or tools required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adults \u0026amp; Desk Toy Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Infinity Folding Cube (Parts + E-Manual)","offer_id":67846029541693,"sku":null,"price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_6ede5384-2eaf-4c00-bebf-09b93e562841.png?v=1793243238"},{"product_id":"moc-mechanical-fishing-rod-reel-mechanism-stem-building-block-kit-parts-kit-digital-manual","title":"MOC Mechanical Fishing Rod \u0026 Reel Mechanism STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eExperience hands-on mechanical physics and precision spooling mechanics with the \u003cstrong\u003eMOC Mechanical Fishing Rod \u0026amp; Reel Mechanism STEM Building Block Kit\u003c\/strong\u003e. Featuring a working miniature spinning reel, smooth-cycling gear ratio drive, line guide eyelets, and a functional line-and-hook assembly, this interactive model demonstrates the fundamentals of mechanical winches and rotational-to-linear line retrieval.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block kit composed of premium loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Protective Packaging:\u003c\/strong\u003e To ensure safe international delivery and reduce excess packaging waste, all sets are safely delivered in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Reel \u0026amp; Spool Mechanism:\u003c\/strong\u003e Turn the ergonomic hand crank to drive an internal gear pair that smoothly spools and retrieves the fishing line through the rod eyelets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On STEM Engineering:\u003c\/strong\u003e Explore gear ratio speed multiplication, line tension physics, and mechanical friction control through interactive tactile building.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetailed Realistic Design:\u003c\/strong\u003e Includes a multi-section modular rod blank, reel housing, handle crank, line guide ring, braided line, and miniature terminal hook.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, gears, axles, and pulleys ensure fluid rotational cycling and reliable durability. 100% compatible with major building block systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInteractive Desk Toy \u0026amp; Display:\u003c\/strong\u003e A charming, functional desktop conversation piece and gift for anglers, builders, engineering students, and mechanical hobbyists.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eExtend and lock the modular technic rod sections into place.\u003c\/li\u003e\n\u003cli\u003eThread the flexible line through the guide eyelet along the rod shaft down to the terminal hook.\u003c\/li\u003e\n\u003cli\u003eRotate the side hand crank to engage the internal gear reduction, winding line onto the spool and raising the hook smoothly.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks, Gears, Spool \u0026amp; Hook Parts Kit\u003c\/li\u003e\n\u003cli\u003eDurable High-Tension Miniature Line String\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Manual Hand Crank (No batteries or motors required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adults \u0026amp; STEM Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major technical building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Fishing Rod (Parts + E-Manual)","offer_id":67846036554045,"sku":null,"price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_26df7820-14c5-40cd-9dd2-9908c7e2ed1c.png?v=1793243758"},{"product_id":"moc-motorized-walking-quadruped-robot-bionic-dog-stem-building-block-sets-parts-kit-digital-manual","title":"MOC Motorized Walking Quadruped Robot \u0026 Bionic Dog STEM Building Block Sets (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eBring bionic robotics and mechanical locomotion to life with the \u003cstrong\u003eMOC Motorized Walking Quadruped Robot \u0026amp; Bionic Dog STEM Building Block Sets\u003c\/strong\u003e. Powered by an electric motor, reduction worm gearing, and multi-jointed leg linkages, each bio-inspired model mimics natural quadrupedal and hexapodal walking gaits, offering an immersive hands-on journey into mechanical engineering and robotics.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building kit composed of high-grade loose technical bricks, motor components, and gear drives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Protective Packaging:\u003c\/strong\u003e To ensure safe international delivery and reduce excess packaging waste, all sets are safely delivered in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Step-by-step electronic PDF building manuals will be delivered via email upon package dispatch or customer request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Requirement:\u003c\/strong\u003e The motorized drive module requires buyer-supplied standard batteries (e.g., AA\/AAA or battery box cells, not included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotorized Bionic Locomotion:\u003c\/strong\u003e Electric motor and high-torque worm gear reduction drive synchronized crank linkages to produce fluid, lifelike crawling and walking gaits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTheo Jansen \u0026amp; Linkage Kinematics:\u003c\/strong\u003e Hands-on exploration of mechanical four-bar linkage dynamics, stride timing, and center-of-gravity balance in multi-legged robotics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiverse Robotic Variants:\u003c\/strong\u003e Choose from high-stability quadrupeds, motorized robot dogs, pulling cart transporters, multi-legged hexapod spiders, and articulating steering walkers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS liftarms, friction pins, axles, and gears ensure durable mechanical mesh and low resistance. 100% compatible with major building block systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngaging Robotics Project:\u003c\/strong\u003e Perfect for engineering students, STEM classrooms, robotics hobbyists, and tech gadget enthusiasts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Models\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuadruped Robot:\u003c\/strong\u003e Classic four-legged walker engineered with balanced crank-rocker leg linkages for continuous forward strides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCart-Pulling Robot:\u003c\/strong\u003e Heavy-duty motorized bionic draft robot equipped with towing arms to pull wheeled payload carts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuadruped Robot Dog:\u003c\/strong\u003e Agile bio-inspired mechanical canine design featuring high-clearance articulated leg joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHexapod Spider Robot:\u003c\/strong\u003e Multi-legged crawling mechanism demonstrating alternating tripod gait stability inspired by nature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnusual Quadruped Robot:\u003c\/strong\u003e Unique kinetic linkage configuration exploring alternative step-and-lift stride kinematics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteering Quadruped Robot:\u003c\/strong\u003e Advanced walking platform featuring direction-shifting linkage controls for navigating curves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Model-Specific MOC Technical Bricks, Gears \u0026amp; Linkage Parts Kit\u003c\/li\u003e\n\u003cli\u003eElectric Power Motor \u0026amp; Battery Box Module\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e Electric Motor Drive (Batteries required, not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Students \u0026amp; Robotics Builders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major technical building block systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Quadruped Robot (Parts + E-Manual)","offer_id":67846092816701,"sku":null,"price":25.99,"currency_code":"USD","in_stock":true},{"title":"Cart-Pulling Robot (Parts + E-Manual)","offer_id":67846092849469,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Quadruped Robot Dog (Parts + E-Manual)","offer_id":67846092882237,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"Hexapod Spider Robot (Parts + E-Manual)","offer_id":67846092915005,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"Unusual Quadruped Robot (Parts + E-Manual)","offer_id":67846092947773,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Steering Quadruped Robot (Parts + E-Manual)","offer_id":67846092980541,"sku":null,"price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_0dbcd89a-7bbb-4993-a65f-b3024288ebad.png?v=1793244297"},{"product_id":"moc-lead-screw-mechanism-stem-kit","title":"MOC Mechanical Lead Screw Linear Transmission STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eDiscover precision mechanical motion and linear drive engineering with the \u003cstrong\u003eMOC Mechanical Lead Screw Linear Transmission STEM Building Block Kit\u003c\/strong\u003e. Designed to demonstrate the conversion of rotary motion into controlled linear displacement, this interactive mechanism features a continuous lead screw axle, smooth-gliding carriage bracket, and an ergonomic manual hand crank.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block kit composed of premium loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Protective Packaging:\u003c\/strong\u003e To ensure safe international delivery and reduce excess packaging waste, all sets are safely delivered in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Operation:\u003c\/strong\u003e Purely mechanical hand-crank operation; no motors or batteries required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotary to Linear Conversion:\u003c\/strong\u003e Rotate the hand crank to turn the threaded lead screw and drive the guided red carriage back and forth with precise linear motion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On STEM Learning:\u003c\/strong\u003e Perfect for students, hobbyists, and makers to explore screw mechanics, thread pitch, mechanical advantage, and linear actuator principles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSturdy Technic Framework:\u003c\/strong\u003e Built with robust technic liftarms, cross axles, and smooth guide rails for high rigidity and seamless cycling without binding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Parts:\u003c\/strong\u003e Made of high-grade, eco-friendly ABS plastic. 100% compatible with major technical building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInteractive Desk Toy \u0026amp; Teaching Aid:\u003c\/strong\u003e Ideal as a tactile desktop fidget display, physics classroom demonstration model, or engineering gift.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e Manual Hand Crank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 18 cm x 6 cm x 6 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adults \u0026amp; STEM Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with standard technical building blocks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete MOC Technical Bricks \u0026amp; Lead Screw Parts Kit\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Screw Mechanism 2 (Parts + E-Manual)","offer_id":67847242187069,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_14e08d43-017b-442f-acaa-816acdf46d81.png?v=1793251237"},{"product_id":"moc-motorized-walking-robots-tracked-vehicles-stem-sets","title":"MOC Motorized Walking Robots \u0026 Tracked Vehicle Series STEM Building Block Sets (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eBring mechanical engineering and bionic locomotion to life with the \u003cstrong\u003eMOC Motorized Walking Robots \u0026amp; Tracked Vehicle Series STEM Building Block Sets\u003c\/strong\u003e. Featuring seven unique motorized robotic and mechanical vehicle designs—including walking biped and quadruped robotic chassis, pull carts, three-wheel steering rovers, omni-directional platforms, and high-traction tracked crawlers—each model demonstrates essential principles of mechanical linkages, differential steering, and electric motor gear drives.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block kit composed of premium loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Protective Packaging:\u003c\/strong\u003e To ensure safe international delivery and reduce excess packaging waste, all sets are safely delivered in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Notice:\u003c\/strong\u003e Motorized models require buyer-supplied AAA\/AA batteries (not included due to international air transport safety regulations).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eModel Selection \u0026amp; Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCart-Pulling Robot:\u003c\/strong\u003e A bipedal walking humanoid robot mechanically linked to a wheeled chassis, pulling it forward in realistic synchronized walking strides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHuman-Powered Rickshaw Cart:\u003c\/strong\u003e A classic mechanical biped pulling an antique-style two-wheeled passenger carriage with rotating crank-leg linkages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuadruped Robot Dog:\u003c\/strong\u003e Four-legged bionic walking crawler utilizing planetary or offset cam linkages to achieve stable forward locomotion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-Wheeled Steering Vehicle:\u003c\/strong\u003e Demonstrates rack-and-pinion or pivoting wheel steering physics combined with rear-wheel motor propulsion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOmni-Directional Vehicle:\u003c\/strong\u003e Multi-directional agile rover exploring holistic mobility and omni-wheel vector physics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Tracked Vehicle:\u003c\/strong\u003e Heavy-duty continuous rubber track design capable of overcoming desktop obstacles and rough terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Differential Tracked Vehicle:\u003c\/strong\u003e Dual-drive gearbox system demonstrating authentic tracked turning and counter-rotation dynamics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On STEM Learning:\u003c\/strong\u003e Explore gear reduction, torque multiplication, cam linkage motion, and kinetic weight transfer through step-by-step mechanical assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Electric Power System:\u003c\/strong\u003e High-torque technical micro-motors provide dependable driving power for lifelike animated movements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS beams, axles, gears, and connectors ensure smooth gear meshing and tight part clutch. 100% compatible with major technical building block systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngaging Maker \u0026amp; Desktop Display:\u003c\/strong\u003e Perfect for young builders, STEM robotics clubs, school science fairs, and adult brick hobbyists.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e Electric Motor Drive (Requires standard batteries, not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adults \u0026amp; STEM Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major technical building block brands\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelected MOC Model Technical Bricks \u0026amp; Mechanical Components Kit\u003c\/li\u003e\n\u003cli\u003eElectric Motor Drive \u0026amp; Battery Box Component\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Cart-Pulling Robot (Parts + E-Manual)","offer_id":67848251801917,"sku":null,"price":32.99,"currency_code":"USD","in_stock":true},{"title":"Human-Powered Cart (Parts + E-Manual)","offer_id":67848251834685,"sku":null,"price":42.99,"currency_code":"USD","in_stock":true},{"title":"Quadruped Robot Dog (Parts + E-Manual)","offer_id":67848251867453,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true},{"title":"Three-Wheeled Steering Vehicle (Parts + E-Manual)","offer_id":67848251900221,"sku":null,"price":52.99,"currency_code":"USD","in_stock":true},{"title":"Omni-Directional Vehicle (Parts + E-Manual)","offer_id":67848251932989,"sku":null,"price":51.99,"currency_code":"USD","in_stock":true},{"title":"Square Tracked Vehicle (Parts + E-Manual)","offer_id":67848251965757,"sku":null,"price":48.99,"currency_code":"USD","in_stock":true},{"title":"Dual Differential Tracked Vehicle (Parts + E-Manual)","offer_id":67848251998525,"sku":null,"price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_b80f58d1-59e2-4acf-94f9-c93d29cc1ad3.png?v=1793251647"},{"product_id":"moc-mechanical-clockwork-gear-heart-stem-kit","title":"MOC Mechanical Clockwork Gear Heart STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eCombine romantic artistry with intricate mechanical physics in the \u003cstrong\u003eMOC Mechanical Clockwork Gear Heart STEM Building Block Kit\u003c\/strong\u003e. Featuring a striking red heart-shaped chassis with an exposed multi-gear transmission and connecting linkage rod, this interactive kinetic sculpture demonstrates the beauty of mechanical gear trains and rotational synchronization.\u003c\/p\u003e\n\u003ch3\u003eImportant Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom MOC Product:\u003c\/strong\u003e This product is a custom MOC (My Own Creation) building block kit composed of premium loose technical bricks and mechanical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Protective Packaging:\u003c\/strong\u003e To ensure safe international delivery and reduce excess packaging waste, all sets are safely delivered in reinforced protective packaging without a retail color box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital PDF Manual:\u003c\/strong\u003e Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Operation:\u003c\/strong\u003e Driven smoothly by a side hand crank; purely mechanical with no batteries or motors needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronized Gear Train Dynamics:\u003c\/strong\u003e Turn the discreet side axle crank to animate a complete network of interlocking spur gears, planetary discs, and a central reciprocating connecting rod.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExposed Steampunk Mechanical Heart:\u003c\/strong\u003e The open cutaway design showcases every spinning gear, stud disc, and axle pivot in hypnotic synchronized motion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHands-On STEM Learning:\u003c\/strong\u003e Explore gear mesh ratios, torque distribution, rotary transfer, and mechanical linkages through intuitive tactile assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreestanding Desktop Sculpture:\u003c\/strong\u003e Engineered with a stable integrated base, making it an eye-catching interactive ornament for your desk, bookshelf, or workshop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Technical Bricks:\u003c\/strong\u003e Precision-molded ABS components deliver seamless gear meshing, smooth rotation, and exceptional clutch power. 100% compatible with leading building block brands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnique Meaningful Gift:\u003c\/strong\u003e An extraordinary fusion of romance and engineering—ideal for Valentine’s Day, anniversaries, robotics fans, students, and mechanical hobbyists.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Eco-Friendly ABS Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Mechanism:\u003c\/strong\u003e Manual Hand Crank \/ Side Axle Drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Cutaway Open Mechanical Heart Frame with Integrated Stand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 8+ \/ Teens, Adults \u0026amp; STEM Enthusiasts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fully compatible with major technical building block systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete MOC Technical Bricks, Gears, Axles \u0026amp; Heart Frame Parts Kit\u003c\/li\u003e\n\u003cli\u003eDigital PDF Step-by-Step Building Instructions (Delivered electronically)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lucky Magi","offers":[{"title":"Heart (Parts + E-Manual)","offer_id":67848427274557,"sku":null,"price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/01_1a4d897d-6874-454b-b3c0-bf1bc8e6bd05.png?v=1793257481"},{"product_id":"moc-mechanical-flapping-wing-ornithopter-stem-kit","title":"MOC Mechanical Flapping-Wing Ornithopter STEM Building Block Kit (Parts Kit + Digital Manual)","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1019\/0005\/8941\/files\/2_e1cb8ab8-e074-4364-92d6-3aaa09d518fd.jpg?v=1792844415\" alt=\"\"\u003eExplore biomimetic flight engineering and kinetic mechanics with the \u003cstrong\u003eMOC Mechanical Flapping-Wing Ornithopter STEM Building Block Kit\u003c\/strong\u003e. 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