It's the lightweight, spongy modeling material that sticks to itself-not your hands. Crayola model Magic is a unique, lightweight modeling material perfect for any age. The deluxe variety pack comes in 9 different colors for you to blend, shape, paint and decorate. Model Magic air-dries, usually within 24 hours. 14 each of.5 oz. Packs. 2 each of white, red, blue, green and yellow and 1 each of black, brown, purple and orange.