Introduced in 1988. They change colors as you change the temperature of the paint, Mattel advertised to use hot or cold water. Appears in Single Packs and 2-Packs, each car will be noted. Auto Magic II & Color Racers II is the same series of 12 cars appearing on either on an Auto Magic II blister, a Color Racers II blisters, or Both! The Back of the blister shows that there was 12 cars in the series. Six of them are individual cars, and the other six came with an ice pen and ice cube(tip) tray.
Hot Wheels Wiki
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