Horse legs to run fast or go slow.
Butterfly wings to fly over traffic--now that would be cool!
long legs of a cheetah so I can run faster than a car.
How creative! :) Flamingo feet because I can stand on one foot.
8 legs-not fun for shoe shopping, but there have to be some advantages to that!
legs of a cheetah because they run fast.
My favorite one! Wouldn't it be advantageous to have a long neck?