Smithsonian Perfect Cast Mold & Paint Craft Kits combine creativity, discovery, and learning in one exciting artistic journey First, follow the included directions to mix the Perfect Cast Casting Material and pour it into the molds While it sets read all about what its like to be a paleontoligist in the included illustrated booklet Unmold your creation, paint the dinosaur 'bones" and glue the flat side to the included magnets for display on most metal surfaces Smithsonian products bring fun and learning together by utilizing vibrant imagery and unique and relevant subject matter in a hands-on toy that truly engages a child!