Crayola Air-Dry Clay is a fine, natural white earth clay that air dries to a hard solid. No kiln or oven necessary! Easy to use with traditional modeling techniques, it's also a snap to clean up. Air-Dry Clay is smoother, finer and less sticky than traditional clay.Details:WhiteEach pack includes 2.5 lb. of clayTotal of 10 lb. of claySold as 4 packsNeeds no oven or kilnSoftens easily with water and quickly cleans from hands and surfacesConvenient re-usable plastic bucket helps keep clay freshUse with traditional techniques such as pinch, coil, slab, score-and-weldCan be painted with tempera, acrylic or watercolors when dry