MOC Mechanical Anti-Tank Artillery Gun & Crossbow Launcher STEM Building Block Sets (Parts Kit + Digital Manual)

Bring military engineering and physical firing dynamics to life with the MOC Mechanical Anti-Tank Artillery Gun & Crossbow Launcher STEM Building Block Sets. 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.

Important Notice

• Custom MOC Product: This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and mechanical components.
• Safe Protective Packaging: To ensure safe international delivery and reduce environmental waste, all sets are safely delivered in reinforced protective packaging without a retail color box.
• Digital PDF Manual: Paper instructions are not included. Step-by-step electronic PDF building manuals will be delivered via email upon package dispatch or customer request.
• Safety Warning: Designed for safe indoor recreation and target practice with soft projectiles. Never aim at people, pets, or fragile household items.

Key Highlights

• Authentic Mechanical Operation: Features functional elevation gearing, recoil-dampened split-trail carriage legs, and pull-cord or trigger-release firing mechanisms.
• Multiple Tactical Models: Choose between mobile anti-tank field artillery, repeating Zhuge crossbows, rotary rubber band Gatling guns, and tactical crossbow launchers.
• Hands-On Ballistic & STEM Learning: Explore the physics of potential-to-kinetic energy conversion, projectile mechanics, and trigger escapement linkages.
• High-Precision Technical Bricks: Precision-molded ABS beams, axles, gears, and wheels ensure high structural rigidity and consistent firing cycles. 100% compatible with major building block brands.
• Interactive Desktop Display: An impressive engineering showpiece for military history enthusiasts, STEM builders, and tabletop target gaming.

Available Models

• Anti-Tank Gun Model: Iconic field gun featuring wheeled split-trail carriage, gun shield armor, elevation adjustment, and pull-cord spring-assisted projectile launching.
• Gun-style Crossbow Mechanism: Ergonomic tactical pistol grip combined with a mechanical bowstring tension trigger release.
• Rubber Band Gatling Model: Multi-barrel rotary mechanism designed for high-capacity continuous elastic band launching.
• Zhuge Repeating Crossbow Model: Authentic ancient siege mechanism with a top-mounted gravity magazine and lever-cocking action.
• Mini Crossbow Mechanism: Compact desktop crossbow demonstrator exploring bow limb deflection and quick-release catch physics.
• Small Crossbow Model: Precision handheld crossbow model featuring adjustable tension and sight line rails.

Package Includes

• Complete Model-Specific MOC Technical Bricks & Launcher Mechanical Parts Kit
• Model-Specific Launch Accessories / Projectiles / Rubber Bands (where applicable)
• Digital Step-by-Step PDF Manual (Delivered electronically)

Specifications

• Material: Premium Eco-Friendly ABS Plastic
• Operation: Manual Mechanical / Spring / Tension Release (No batteries required)
• Recommended Age: 8+ / Teens, Adults & STEM Builders
• Compatibility: Fully compatible with major technical building block systems