Superior to Air Dry - Shatterproof, more detailed impression, bakes in 30 minutes vs 24 hour dry time! If you dont like your impression, dont worry! Just start over since it doesnt dry out you can try again as many times as you want until you get the perfect impression! Polymer Oven Bake Clay - Sculpey clay conforms to ASTM D-4236 and EN 71 safety standards, it is non-toxic and safe to use in your home oven. Simply make your polymer oven bake clay creation and bake in your home or toaster oven at 275 °F for 30 minutes. This oven bake clay will not dry out, so you can take your time crafting and not have to rush to finish your projects like you do with air dry clay. Fun creativity - Add some creative touches to your keepsake. Add glitter to the clay before doing your impression for a sparkly keepsake. After baking it can be painted with water-based acrylic paints. Use Liquid Sculpey with the Pet/Baby mold to make some themed icons to add to the ornament before baking. Giftable - This kit makes the perfect gift for a babies first Christmas or as a baby shower gift!