Manufacturer\'s Description Mario Kart 7 players can purchase an official Mario Kart 7 Wheel accessory for use on their Nintendo 3DS system. The official Mario Kart Wheel is sold separately to the game.The wheel attachment fits snugly around the 3DS, allowing players extra grip for the game\'s tilt-sensing gyroscopic controls. Mario Kart 7\'s arm-swerving control method is optional and sees gameplay transferred into first-person view. It\'s a control pad-free alternative similar to the Wii Wheel add