ARIETY :variety of color choices:12 bright and vivid colors which will develop the baby's color awareness, mix colors as per your imagination.Air-dries to a smooth, resilient finish, usually within 24 hours. The COOL THING ABOUT THE CLAY IS WHEN IT IS ROLLED LIKE A BALL IT WILL BOUNCE LIKE A RUBBER BALL, If the clay is a little hard, add a little water and knead evenly to keep it softer., Various color, can exercise the child's visual ability and hands-on ability., Ideal For: Boys and Girls, Non-toxic, Age: 4+ Years