This is the programmable robot that reveals its darkside when remotely controlled by a smartphone app. The robot rolls across surfaces indoors or outdoors at up to 14 mph with two sets of removable tires—one for smooth floors and another for off-road terrain. Its built-in LEDs allows you to weave him in and out of rooms, beneath furniture, and down hallways in the dark.The app’s virtual joystick allows you to perform hundreds of varieties of spins, stalls, drifts, and flips from up to 100' away. Its rechargeable battery provides up to one hour of play from a three-hour charge using the included AC adapter. 10" W 3 1/2" Diam. (1 lb.)