Purchase clay here. It is $20 for 25 lbs of clay.  All clay is from Clay Art Center in Tacoma, unless otherwise noted.  The options for high-fire clay bodies are: Aardvark Coleman Porcelain, OH  Woodfire, Dakota Yellow,  Laguna B-Mix, Newcomb Paperclay, Grolleg Paperclay , Laguna Rods Bod, Sculpture Buff from SPS,  and Soldate 60 from Aardvaark Clay.  Low fire bodies include:  LF 06 from Seattle Pottery Supply, Low-Talc White,  Redart Terracotta and Seward Sand terracotta.