NEW COLOR-CHANGING HATCHIMALS: For the first time ever, you can hatch characters that change color when you dip them under warm water! Hatch magical Mermals (half-hatchimal, half-mermaid), characters from Mischief Marsh, Racing River and more! HATCH SEASHELL-SHAPED EGGS: Hatch seashell-shaped eggs with sparkly accents and add color-changing Hatchimals to your collection! To hatch, hold each egg and rub the purple heart until it turns pink. Gently press down to crack the shell and meet your friend! CUTE NEST FOR PLAYING AND DISPLAYING: Place your Hatchimal CollEGGtibles inside their very own nest! Decorated with seashells, starfish and other fun accents from the Hatchtopian Sea, this nest is the cutest way to display and play with your Hatchimals!