Our inexpensive air dry clay is perfect for sculpting, hand modeling or throwing on a potter's wheel. Air Dry your finished pieces slowly and evenly on all sides. Pieces can be decorated with paint. Seal with shellac for strength and to waterproof. Finished pieces can be bisque fired to Cone 04 (1971°F, 1077°C) for hardness/permanency and to glaze. 25lb box of Terra Cotta.