OKY5032 2WD Robot Smart Car Chassis: Science Experiments Intelligent Car Body Kit For Kids
Intelligent Tracing Robot car chassis, high degree of freedom, ideal for DIY subject, science education, development of hobbies and interest, educational toys for kids.
3.Reduction rate: Rate 48:1.
4.RPM (With tire):240.
6.Motor Size:70mm*22mm*18mm (4pcs with gear).