Crayola Model Magic is a mess-free, non-toxic, air-drying modeling material. Model Magic is easy to mold and super lightweight. Simply make your shapes and allow to dry overnight before decorating. Great for kids' projects. Decorate dried pieces with markers, paint, glitter or glue. Do not fire in kiln or zap in microwave; air dry only. This bucket contains 4 assorted color pouches of Red, Blue, White and Yellow Model Magic.