Simply put the Unicorn Egg into a cup of water, the egg will begin to crack. Once it's entirely cracked, add new water, then remove the eggshell. A great science and activity experiment for young unicorn fans. The fun never stops with the grow your own unicorn kit...watch it hatch and grow in water! You can place the unicorn in new water every day and watch it grow! 2 Hatching Baby Unicorn Growing Egg | Living Social | Living Social