Hot Wheels Color Shifters vehicles rev up the fun of sensory play with cars that change color when dipped in water! When kids dunk or splash their 1:64 scale Color Shifters vehicle with icy cold or very warm water it instantly changes color. Change the water temperature and the deco changes back. It s like having two cars in one hit the road race the track and then change color and race again. Each sold separately subject to availability. Colors and decorations may vary.