Watch your kids be mesmerized by science with the National Geographic Blue Crystal Growing Kit! After mixing the crystal growing solution, you’ll witness the fascinating development of a spectacular blue crystal. The crystal-growing process takes years in nature, but with the National Geographic Crystal Growing Kit, you’ll see results in just a few days! This STEM kit is a fantastic way to encourage scientific experimentation and study at home. There’s no better way to learn. Children love exploring the wonders of science through hands-on projects. National Geographic’s premium learning guide will teach your kids the fascinating science behind this experiment.