All Memory Frame kits include Makin's Clay® (White) non-toxic, hypoallergenic air dry clay. Your clay is guaranteed to last. Makin's Clay® is specially formulated so that it is easy to work with and is environmentally safe. No need to bake (and release toxins in the air), reconstitutes with water and will preserve your impression for years to come. As an optional upgrade, choose from 4 colors, Red, Blue, Green or Yellow.