Every purchase helps support the global nonprofit National Geographic Society in its work to protect and illuminate our world through exploration, research, and education. Easily grow 6 vibrant-colored crystals in just 3-4 days with the National Geographic Mega Crystal Growing Lab! Includes easy-to-follow instructions and silicone growing chambers to make crystal growing simpler than ever. Also includes a light-up base to display your crystal treasures! With the National Geographic Mega Crystal Growing Lab, children will learn about crystal formation while magically growing crystals in 6 different colors! This STEM chemistry kit is the best way to start a beautiful rock collection and inspire your child with a love of science. National Geographic Toys makes the highest quality hands-on science toys, and all products are backed by exceptional service. With a mission to inspire people to care about the planet, the National Geographic Society is one of the world's largest nonprofit scientific and educational organizations.