DIY 3D Ugears Mechanical Assembly Wooden Locomotive Train Puzzle

• Exercise Willpower and Fun Of DIY. The ability to work out handcrafted, but also bring fun to your life. Making this mechanical model toy requires not only attentiveness but also patience and empowerment. In addition, the successful installation will produce a sense of accomplishment, so you feel very substantial.
• The entire locomotive consists of 433 parts and components. The internal complex structure, such as a mechanical watch, is coordinated by multiple gears. It perfectly interprets the scientific and romantic steampunk spirit and the esthetic aesthetics, and shows the conquering ambition of mankind! At the same time, the locomotive leading the way to advance, and each completed step is a forward movement to the final!
• In conjunction with Newton's third law and lever principle, energy is supplied by the spring and the spring hook. The gear and lever combination drive realize the movement of the product. The " Mechanical Model " series does not require any power, it can be operated by physical principles, and finally presents such a sophisticated three-dimensional wooden model.
• Matters Needing Attention - Be careful to connect all parts in a way that doesn't require you to force them into place. Build it carefully to ensure it runs well. Don’t put it in a wet place.

SPECIFICATIONS:

Age Range: > 8 years old
Gender: Unisex
Warning: > 8 years old only
Material: Wood
Theme: Vehicle
Quantity of Items in Set: 433 pcs

Approved ASTM and CE testing. Made of 100% Real Wood, Non-Toxic,
Environment-friendly, Safe for Kids. Meets all specifications of
European (EN-71) and American (ASTM) Toy Safety Standards.