Air-drying modeling compound is soft, clean and easy to use. Ideal for a wide range of hands-on learning projects and sculpting activities. Individual pouches give teachers control over the quantity given out in the classroom; less waste. Air-dries to a smooth, resilient finish, usually within 24 hours. The compound can be colored with paint or markers. Includes four pouches, 8 oz. each Age Recommendation: Ages 5 and up.