Trampoline Trampolines of several shapes and sizes that bounce racers and objects that touch them to 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