The National Geographic Purple Crystal-Growing Lab is an easy and fun way to grow a crystal at home!
Simply mix the crystal-growing powder in water, add your seed rock, and in just a few days you’ll have an amazing crystal! Easy-to-follow instructions and a full-colour learning guide are also included.
Kit Includes 1 Bag of Purple Crystal-Growing Powder (3.35 oz / 95 g) 1 Seed Rock 1 Learning Guide with Instructions