Green Glow in the Dark Polymer Clay by Sculpey, that is soft and ready to use right from the container. Product stays soft until baked. Work on projects for days without worrying about dry-out! Bakes in the oven in just minutes. This very versatile clay can be sculpted, rolled, cut, painted and extruded through the Sculpey® clay extruder to make just about anything. Great fun for everyone! 2 oz. bars. Mix in our green glow in the dark powder for a brighter and longer glow.