Unrivaled Supercar Tech These aren't just cars; they're robots programmed for battle and controlled with your mobile device. Each Supercar is loaded with cutting-edge features, including an optical sensor, dedicated 50MHz CPU, and two high performance motors for precision maneuvering with one-millimeter accuracy. Intelligent Gameplay Challenge friends or fight AI opponents that learn and adapt to your tactics to better hunt you down. You can customize Supercars with weapons and build-outs, and compete in a variety of modes like: Battle, Race, Time Trial, and King of the Hill. The more you play, the more upgrades you earn. Simple Setup & Play Connect the durable magnetic track pieces in seconds to build one of eight unique battle tracks. The Anki OVERDRIVE app on your mobile device automatically connects your Supercars and teaches you the game, so you can start racing immediately. Each player must have a compatible iOS or Android device with Wifi enabled. Simple Setup & Play Connect the durable magnetic track pieces in seconds to build one of eight unique battle tracks. The Anki OVERDRIVE app on your mobile device automatically connects your Supercars and teaches you the game, so you can start racing immediately. Each player must have a compatible iOS or Android device with Wifi enabled. Endless Expansion With continuous software updates and accessory add-ons, the gameplay always stays fresh. You can customize weapons, add expansion cars and Supertrucks, and build jumps and curves into your track for a whole new challenge. Starter kit includes: 4 Robotic Supercars. 6 Curved track pieces. 4 Straight track pieces. 2 Riser pieces. 1 Four-car charging system. 1 Tire cleaner.