DescriptionSubmerge egg in water. Egg shell will crack after 12-24 hours in water. Dinosaur will grow after hatch. Keep it in water for a long time, and it will completely shaped. May become samller than before after out of the water. Nice educational toys for kids to develop their patience.Features- Color: As shown. - Material: EVA. - Size: Approx. 3 x 2 x 2cm. - Made of premium EVA ,the toys are safe, and durable. - Creative dinosaur egg hatching toy, very funny. - It is a good educational toy for kids, also a perfect gift for kids. - Nice educational toys for kids to develop their patience. - Besides, they can also promote kid's ability of potential creativity, imagination.