Use this 5-pound clay refill with your Pottery Wheel For Beginners, or create your own hand-molded creations. This pre-mixed clay is easy to work with and air-dries for a long-lasting piece that can be left natural or painted with a custom design. The Air-Dry Clay Refill also includes step-by-step illustrated instructions for making coil and pinch pots. Clay is wheat and gluten free.