Crayola - CYO575138 Crayola Air-Dry Clay is a solution that is perfect for art room and classroom. This soft modeling material can either be reused or air-dried overnight to preserve your creation. No baking is ever required. Smoother, finer and less sticky than traditional clay, this Crayola modeling clay alternative is perfect for group activities. You can even soften the clay with water if needed, allowing children to enjoy hours of fun making and re-making favorite creations. They can even blend it with other colored clay to create custom shades. Once dried, children can paint the clay. Clay is designed for children ages 6 and older.