Mario Kart. The exciting and innovative Mario Kart scale 1:43 Slot Car Race Set gives your child the chance to race the Mario “B-Dasher” and the Wario “Brute” cars through straights, curves and flyover as they chase each other. The Mario Kart comes with 2 cars, transformer, straights, curves, narrowing set, 2 hand controllers, guardrails and spare contact brushes and guide keels (no one else offers spare contact brushes and guide keels in their race sets) and a track link of over 20 feet with a footprint of 6.56 feet X 3.67 feet.