Description
The National Geographic Purple Crystal-Growing Lab is a simple 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 colorful learning guide are included. • 1 Bag of Purple Crystal-Growing Powder (3.35 oz / 95 g) • 1 Seed Rock • 1 Learning Guide with instructions.
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