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. Just shape, bake, and cool. Once cooled Sculpey III can be sanded, drilled, carved, glued, inked, and glazed.