Click or scroll to zoom Tap or pinch to zoom 2.5" Growing Unicorn Egg by Barlow Blue $ 3.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart These 2.5" unicorn eggs can grow up to 600% of its original size! Just place them in water, wait 24-48 hours, and watch as your unicorn hatches from the shell. Once the unicorn is hatched, it will proceed to grow even bigger.