Mould King 10204 V8 Engine Model that Works, MOC Ideas Mini Kit for Display, STEM Building Project Teens 14+(750 PCS)

Scientific STEM Kit: The realistic models can help players understand the working principle of the engine and stimulate their interest in machinery, making them suitable as popular science teaching aids. 1:4 Scale V8 Engine Set: This 750-piece set features a classic crankshaft structure with gears and blades at the front to enable it to rotate like a real engine. Electric - powered restoration of the working principle: The set is equipped with an M - type engine and a 9V battery box. The transmission shaft, gears, and fan blades of the machine body can all rotate. Packaged in steps: All parts of the set are neatly arranged in steps, easy to assemble. Suitable for birthday/Easter gifts for teens/adults over 14 years old Customer Service: We are committed to providing the best service to our customers. If your kit is missing any parts or has other problems, please contact us and we will send you a replacement part.