Soft, pliable Prang DAS Air-Hardening Modeling Clay provides the convenience and safety of not having to bake or use a kiln in order to create durable masterpieces! Clay air-dries within approximately 24 hours and the versatile White & Terracotta clay can be painted with any Prang paint, or decorated with Prang markers and brush pens. Great for crafters and expressionists of all ages. AP Certified non toxic.