This is a MLT-JR tracked robot platform and is equipped with 32mm motors, a motor controller, and Spektrum remote control. This robot is a prebuilt version of TP-220-001, and can handle up to 8lbs of additional payload/speeds up to 200 feet per minute.
This is a Pre Built direct drive 4WD base Programmable robot kit that uses Nexus mecanum wheels and hubs. Its a Arduino robot platform for indoor robotics. It can vector in any direction. Customized version of TP-142-004.