POLYFORM-Sculpey Oven-Bake Clay Keepsake Zoo Growth Chart. Personalize this growth chart by adding your child's handprint in clay. This keepsake makes a great gift or decoration in any child's room. This kit contains 85g (3oz) of oven bake clay (enough for two child handprints); one chipboard growth chart in fun Zoo theme; two ribbons; craft glue; and directions. Finished project size: approximately 54in by 9in. Conforms to ASTM D 4236. Made in USA and Imported.