Crayola-Air Dry Clay: Bright's. A fine, natural earth clay that air dries to a hard solid with no kiln or oven necessary. It is easy to use with traditional modeling techniques and a snap to clean up. Air-Dry Clay is smoother, finer and less sticky than traditional clay. This 7-1/2x4-3/4x1-3/4 inch package contains one pound and 4oz of air-dry clay in white, coral, emerald and purple. Recommended for ages 4 and up. WARNING: Choking Hazard- small parts. Not for children under 3 years. Non-toxic. Conforms to ASTM D 4236. Made in USA.