Crystal Reef Coral Growing Lab Doctor just like those of a

just like those of a real snake

Hide a Secret Message – Using pH paper and a sodium bicarbonate solution

with Bill Nye's VR Science kit

National Geographic

Equipped with realistic replicas and specialized digging tools

Crystal Reef Coral Growing Lab Doctor just like those of aDescription Color and grow crystals in 6 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 6 hours. This hands on science kit is a