SAFE FOR KIDS AGE 3+ : The cute Dinoes are made from echo-friendly plaster which is non toxic and harmless for kids to play .Best choise as a gift for BirthdayChrismasStudent Prize and Easter basket stuffer. FOR EASY DIGGING: simply soak the egg in water for 10 minutes .Cover the play area with anewspaperpapertowel or a disposal tablecloth.Carefully chisel the egg to get the Dino .Rinse the Dinosaur and clean them up . Manufacturered by SARDONIX. PACKAGE INCLUDED : 12 individually -wrapped and boxed clay eggs.12 chisel tools .12 Brushes12 colorful guide cards. BONUS : 2 SHEETS DINO TATTO1 SMALL BAG TO COLLECT DINOS AND CARDS STEM.ORG AUTHENTICATED EDUCATIONAL PRODUCT: This product has been evaluated by STEM.org and has been authenticated to meet the highest standards of STEM learning. GREAT 2019 NEW EDUCATIONAL AND FUN TOYS: Individual play and group activity coordinate activity with hands and eyes.Best science STEM gift and party favors.While your kids excavate 12 unique extinct dinosaur eggs they feel excitement of discovery and can become a Paleontologist .