2 Wheel Drive Kit ( Round Chassis)
$46.77
$80.91
2 Wheel Drive Kit Mechanical structure is simple, it is easy to install. This car is the tachometer encoder Two on the 5th battery compartment, convenient power throughout the system in a switch, while starting and stopping. No add-ins is very convenient, the entire system highly integrated Can be used to measure distance, speed
Robomodels