Description: Put and keep the whole dinosaur eggs in water under 30?, after 12-24 hours, eggshell start cracking, and the dinosaurs begin hatching out from a random part of egg-which will be a big surprise! It is excellent for kids dinosaur project- Have fun watching a growing baby dinosaur break out of its own egg! A perfect item for Children birthday gift Material: EVA Plastic Main Color: Black Specification: During the process of dinosaur hatching, the egg cannot leave water, and make sure the container as big as the dinosaur can hatch and grow smoothly, otherwise, it will not hatch a perfect dinosaur It's safe and with environmental material Size Chart: Egg (W x H): Approx 4.5 x 6.2cm Package Includes: 3 x Dinosaur Eggs Note: This item is suitable for Children at the age of 3 years or more Due to the manual measurement, please allow 1-2mm differences in size There are four colors about the crack on the dinosaur eggs, and the crack colors of your 3 pieces eggs will be delivered randomly