{"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","url":"https:\/\/luckymagi.com\/products\/moc-lead-screw-mechanism-stem-kit","provider":"Lucky Magi","version":"1.0","type":"link"}