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-color learning guide are also included.
Bullet Points
*Explore the world of geology and crystal science.

*Fast-growing purple crystal-growing powder results in a crystal in as little as 3 days.
Kit Includes
1 Bag of Purple Crystal-Growing Powder (3.35 oz / 95 g)1 Seed Rock1 Learning Guide with Instructions