Gray - Marblex Self-Hardening Clay 5 Pounds

AMACO-Marblex Self-Hardening Clay. A durable, self-hardening grey clay in moist form that can be used for all methods of modeling including sculpting, coiling, pinching, slabwork, and wheel throwing. This package contains 5lbs of Marblex Clay. Non-toxic and conforms to ASTM D4236. Made in USA.