Simply soak the dinosaur egg in water for about 15 minutes then carefully chisel away the shell to dig out the dinosaur inside after the dinosaur egg softens. Once the dinosaur is excavated simply rinse off remaining clay wipe it and make it clean! When you are about to dig into a dinosaur please be careful to control your digging force to prevent the dinosaur toy from scratches. The dinosaur eggs are made from high quality environmentally friendly plaster material.which is a perfect digging kit for the kids. It is great for personal games or group activity. Manufacturered by Dayloveme. Experience the excitement of discovery like a real paleontologist as you dig 12 unique dinosaur fossils! Which can well exercise the kid's operating and observing ability as well as learn related history knowledge of dinosaurs. It is a very attractive science educational toy which fosters a love of science and paleontology in a fun and exciting way. The dinosaur dig kit is perfect for dinosaur-themed parties birthdays classroom activities indoor and outdoor activities and it is also a great christmas gift for boys and girls. 12 dino eggs (with a unique toy dinosaur in each) 12 excavation tool sets (2 in 1 chisel brushes). Includes everything needed for the young scientist to excavate the dinos.