Color and grow crystals in six awesome coral shapes with the National Geographic Crystal Reef! Start by coloring each of the staghorn, carnation, and brain coral shapes any way you like with the included watercolor pens. Then, add your crystal-growing liquid and watch as crystals begin to form in minutes! These incredible crystals bloom in the colors you selected and will be fully grown in as little as six hours. This hands-on science kit is a fantastic way to use your creativity and see crystal science in action. You will learn about each of the corals in the included learning guide, as well as ways you can help conserve coral reefs for future generations. The learning guide also includes a cut-out you can use to stage a fun, ocean-themed diorama with your crystal corals! Plus, you'll get a genuine geode specimen to add to your collection! Details: Multicolor Includes 6 coral shapes, crystal-growing liquid, watercolor pens, display bases and instructions Learn about the staghorn, carnation, and brain coral shapes included in the kit in the learning guide3 different types of coralCrystals form in minutesFor ages 8 and up