Mould King 10214 Engine Model kit That Runs Build Your Own Cars 4-Speed Transmission Engine That Works Engineering Kit for Display Collection STEM Kit Gift for Adults 14+ Teens/Adult (2177 Pcs)
- Motorized Rotary Engine：Experience a powered rotor with visible internal mechanics and smooth motion that demonstrates real engine principles.- Strong Power System：Includes an M-motor and battery box that drive the rotor, gears, and linkages in coordinated movement.- Precision Transmission：Features a detailed gear system that highlights mechanical switching and realistic motion paths.- 2100+ Piece Build：Over 2100 pieces offer a challenging STEM project that boosts mechanical insight and hands-on skills.- Premium Display Model：Finished engine makes an impressive display piece?ideal for desks, studios, and collectors.
