Purchase clay here. It is $20 for 25 lbs of clay. Be sure to mention your clay choice under additional information so we know what to give you. Options for High-Fire are: Dakota Yellow, Coleman Porcelain, Oh Woodfire, B-Mix, Newcomb Paperclay, , Rods Bod, Soldate 60, and . Low Fire options are: Low Fire White from Clay Art, Redart Terracotta and Seward Sand.