Stays soft until baked – Does not air dry. Remains soft and flexible until it is baked in your home oven - No kiln needed. Store extra clay to use later. Easy to work with - Use your hands or try a variety of clay tools to create your finished pieces. Ideal DIY gift for everyone from kids to artists! - Includes 12 vibrant 1 oz. bars of clay: Emerald, Leaf Green, Suede Brown, Hazelnut, Silver, Elephant Gray, Turquoise, Blue, Jewelry Gold, Tan, Beige, White. Made in the USA - Non-Toxic Polymer Clay for Kids & Adults - This polymer clay is safe enough for artists of all ages since it conforms to ASTM D-4236 and EN 71 AP safety standards to be non-toxic.