TECHING Full Metal V4 Engine Model Kit 4-Cylinder Car Engine Assembly Kit: Ideal for Industry Research/Education/Gifts

Excellent Craftsmanship: This engine kit is made entirely of metal, CNC precision casting, and anodized aluminum alloy parts. Engaging Assembly Experience: Composed of 357 parts, the assembly process is estimated to take approximately 4 hours. Operation: Powered by an electric motor and a 700mAh lithium battery, this electric engine model can run for about 30 minutes at full power, providing a practical understanding of the mechanics of the engine. Versatile: In addition to its educational value, this assembly kit is an excellent addition to DIY projects, engine collections or teaching aids. The high-end packaging makes it a great gift for hobbyists, friends, family or coworkers, and it's suitable for anyone over the age of 10.