Trampoline Trampolines of a number of shapes and sizes that bounce racers and objects that touch them in the air and will be tricked off of, like Mushroom Trampolines. Whamp Wedge-shaped Whomps that stand in position, shuffling their feet. They slide over within an attempt to squash oncoming racers; https://www.youtube.com/watch?v=n-sXoCW3gYU