Each Hot Wheels Monster Trucks 1:64 Color Shifters truck offers twists and crashes with the addition of two decorations in one toy truck! Simply dip the Color Shifters vehicle in icy water to change its original appearance and then dip it again in warm water to return it to its original form. Repeat the process without limit to alternate between designs. With so many great Monster Trucks Color Shifters available, kids will want to collect them all.