Disney/Pixar Cars, Color Changers, DJ (Purple to Light Blue) Vehicle Create your own custom paint job with your favorite character from Disney/Pixar Cars. This 1:55th scale vehicle changes colors from purple when dipped in cold to light blue in warm water. Splash, dip, and dunk your way to a whole new look. Look for other color change cars (sold separately) to expand your fleet. Packaging may vary.