Modeling Foam clay is clay that consists of small foam balls and is used to cover various surfaces. The clay dries in the air, is safe and easily malleable. No oven is needed to bake the clay. This set consists of 18 color pots of modeling foam in the colors: red, yellow, dark blue, dark green, black, white, pink, glue green, light blue, light green, orange and purple. Good for hours of clay fun!