Trampoline Trampolines of multiple sizes and shapes that bounce racers and objects that contact them in the air and can be tricked off of, like Mushroom Trampolines. Karts, bikes, and ATVs all return in Mario Kart World, the latter two adhering to their absence in Mario Kart Tour. In https://www.youtube.com/watch?v=n-sXoCW3gYU