I could fly in the sky on an aeroplane. Aeroplanes have wings and jet engines.

Jet engine
I could bounce on a trampoline. Trampolines have springs.

Springs
Bears use their claws to climb trees.
Bear Paws. By Shizhao (Own work) /Wikimedia Commons
Tanks have tracks so it could move and not get stuck in the mud!

Tank tracks
I could float in the air in a hot air balloon.

Fire heats up the air to float the balloon
I could scuba dive in the sea with flippers.

Scuba diver