Mario Kart: Ultra Wheels is a Mario-racing game for the Nintendo 3DS. It is the 8th Mario Kart release, behind Mario Kart 7. The 3rd with the handheld and the 2nd for the Nintendo 3DS. This game also includes your Ghost Staff from Mario Kart 7, (If you have it). Mario Kart: Ultra Wheels will be released in February, 2012.