10205 V12 RR Engine Building Set for Adult,Technic Sports Car 12 Cylinder Engine Model Kit with Battery and Motor for Car and Machine Fans，STEM Creative Gift for Adults Teens Boys Age 14+ (733 PCS)

• 【Design Prototype】This set is designed based on the RR sports car engine, featuring a 12-cylinder V-shaped engine and an electric transmission system that enables precise piston movement and crankshaft rotation, closely mimicking the real engine's operation.
• 【Fun Assembly】Compared to most building sets, this realistic engine kit innovatively includes special parts such as fan blades, pistons, and an extended crankshaft. Combined with a unique transmission system, the assembly process becomes more creative and enjoyable.
• 【Perfect Compatibility】This product is compatible with major brands. The parts are organized by steps, and the simple instructions make assembly easy to understand. The set includes an L-shaped motor and battery box (requires 6 AA batteries, not included).
• 【Ideal Gift】A functional engine kit is the perfect gift for car and mechanical engineering enthusiasts. It offers a hands-on experience and can also be displayed as a unique piece in the office or at home.The electroplating process brings a realistic metallic texture.
• 【Customer Service】All of our products undergo strict inspection before shipment. Each item is picked by machine and is confirmed for packaging only after three tests. If any parts are missing from your set, please contact us, and we will send you the missing parts.

Product description 10205 V12 RR Engine Building Set for Adult,Technic Sports Car 12 Cylinder Engine Model Kit with Battery and Motor for Car and Machine Fans，STEM Creative Gift for Adults Teens Boys Age 14+ (733 PCS) Manufacturer Contact Information mouldking.pinmeng@outlook.com