Mingyaa 1PCS Mini Hatching Growing Dinosaur Dino Eggs Add Water Magic Cute Children Toy Gift Color: Send in random Size: 2 X 3 cm Let the children to understand the process of how to grow up of the most animals when they playing fun with it. Takes 12-24 hours for the dino to break thru the shell.(Don't forget to add water)After that the dino can grow even more! Perfect for childern or students