National Geo - Crystal Grow Powder Glow
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National Geographic
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-colour learning guide are also included.
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