Mattel Hot Wheels English color shifters Kids can change the color of their 1:64 scale Hot Wheels® Color Shifters® cars! It's easy - warm water changes the car's color, and ice water changes it back. Some cars even have multiple colors to change! The wide range of cool designs and colors offers something special for every car fan. Spray or dip the Color Shifters® cars in water - and watch as every ride changes instantly! It's like having two cars in one - hit the road, win a race, then change the color and race again! Each sold separately, subject to current availability. Product colors and appearance may vary.