RVR is Sphero's revolutionary take on the programmable robot. Equipped with all-terrain treads, a powerful motor, and plenty of torque, you can drive faster and farther than ever. RVR's extremely customizable platform features diverse sensors, an onboard power source, and a 4-pin UART port so you can connect and run third-party hardware. Build the robot of your dreams and then program it with the Sphero Edu app