Activity & Learning Toys

DIY Assembly Electric Engine Model Kit, High-Speed Rotary Simulation Dynamic Model Up To 600 RPM, Ideal for STEM Education, Tech Hobbyists, and Adult Learners Discover the intricacies of mechanical engineering with this 4-stroke internal combustion engine model kit. Featuring highly textured metal parts, this kit offers an immersive experience into the world of mechanics, allowing you to build your own... DIY Assembly Electric Engine Model Kit, High-Speed Rotary Simulation Dynamic Model Up To 600 RPM, Ideal for STEM Education, Tech Hobbyists, and Adult Learners