Mould King Technic Engine Model Kit for Adults, 1834 Pcs Engine Kits That Runs,

V10 Mechanical Engine Model: This building set showcases intricate gear-driven operation replicating the core mechanical systems of a high-performance V10 engine through interlocking gear mechanisms
Multi-Speed Transmission: Features multiple gear ratios that can be shifted to demonstrate different rotational speeds and power transfer efficiency
Advanced Gear System Assembly: With 1834 components this complex kit focuses on precision gear alignment and mechanical synchronization for technical building enthusiasts