POLYFORM-Sculpey III Oven Bake Polymer Clay. America's original oven-bake clay...POLYFORM-Sculpey III Oven Bake Polymer Clay. America's original oven-bake clay! Sculpey III is soft and pliable and will not dry out when exposed to air. Perfect for making all kinds of crafts from free-form jewelry pieces to scrapbook embellishments....mehr