3D Metal Puzzles for Adults, Da Vinci Flying Machine DIY Assembly Mechanical Flapping Wing Model, Gear-Driven Ornithopter Sculpture Desk Display Collectible & STEM Model Gift (243PCS)

Da Vinci Flapping Wing Model 3D DIY Gear-Driven Bionic Model Kit, Collectible Display Creative Gift (243PCS) Specifications: .Material: Plastic + Metal.Number of Parts: 243PCS.Power Source: Driven by upper winding mechanism.Assembly Time: 3-4 hours.Product Weight: 380g.Package Weight: 500g.Product Dimensions: 31 x 16 x 20cm.Package Dimensions: 22 x 14 x 6cm.Packing: Graphic CartonPackage Including.Assembly Parts *1.Instruction Manual *1.Tool *1

• Classic Flapping Wing Design: Inspired by Da Vinci flying machine. Gear-driven wings create a realistic flapping motion for a dynamic mechanical display
• 243PCS DIY Assembly Kit: Includes 243 precision parts. 3–4 hour build. Hands-on metal and plastic model kit for mechanical enthusiasts
• Winding Gear Mechanism: No batteries required. Wind-up system drives gears and linkage to power smooth wing movement and motion display
• Multi-Material Craftsmanship: Built from metal and plastic parts. Durable structure with detailed gears, linkages, and vintage mechanical finish
• Display & Collectible Value: Ideal desk decor or shelf display. Great for engineering fans, model builders, and mechanical art collectors