SainSmart InstaBots 2-Wheel Self-Balancing Upright Rover Car Robot Kit, Compatible with Arduino, Joystick and UNO R3 Included to Remote Control the Robot, A Customizable Robot with PDF Easy-to-follow Instructions 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.