Fun Easter Dinosaur Eggs and Cards: Your Easter present is here! Colorful Easter eggs. With these, you can start your science experiments. Come on! Explore the real world of dinosaurs. Size of the egg is 3 * 1cm. Tracking Egg Hatching and Growth: Simply place the novelty egg in a bowl of water (below 36C) for about 12-74 hours, the growing animal of the dinosaur toy will break its shell and hatch, and these dinosaur figures will keep growing up in 1-2 days of water. Safe Educational Toy: These cute Jurassic dinosaur eggs satisfy all children's strong desire for science experiments, develop patience in doing things and inspire children to explore science and paleontology. Perfect Holiday Gift: This is an ideal holiday gift for kids as a dinosaur Easter egg toy, holiday decorations for Easter, Christmas, Valentine's Day, parties, birthday parties, children's day gifts, stocking stuffers, candy bag fillers, school prizes, etc. Tips: Designed for children over 3 years old, the natural rubber material is safe and healthy for both children and adults. Please do not let your children swallow the mini toys.