SainSmart InstaBots SRAT, 2-Wheel Self-Balancing Upright Rover Car Robot Kit V2, Compatible with Arduino, Joystick and UNO R3 Included to Remote Control the Robot with PDF Instruction Balance, move and run with two wheels. Controlled & moved by remote controller. One joystick is used to control the robot, the other one is customized. SainSmart InstaBots! Make it simple, make it complex, make it yours.