Assorted styles & colours are sent at random. You can create your own Jurassic Park when you grow a dinosaur in your own Home! Hatches & grows when submersed in water. Perfect for party favours, stocking stuffers or Easter basket treats. The egg is about 6.4cm tall. Directions: 1. Put the egg in a container filled with water till the egg is covered. 2. After 12-24 hours, the pet will slowly break out of the egg. 3. After the pet completely breaks free of the shell, place the pet in a new container of water. 4. After 24-48 hours, the pet will grow to its full size. 5. Remove the pet from water and watch it slowly shrink. The pet can be put back in water to grow again.