The National Geographic Glow-in-the-Dark Crystal Lab is an easy and fun way to grow a crystal at home that glows in the dark! 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.
- 4.96x1.61x8
- Explore the world of geology and crystal science
- Fast-growing crystal-growing powder results in a crystal in as little as 3 days.
- Kit Includes 1 Bag of Crystal-Growing Powder (3.35 oz / 95 g) 1 Glow-in-the-Dark Seed Rock 1 Learning Guide with Instructions