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 easy to knead. No oven is needed to bake the clay. This set consists of 12 colored pots of modeling foam in the colors: red, yellow, dark blue, dark green, black, white, pink, glue green, light blue, green, yellow and purple. Good for hours of clay fun!