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  3. National Geographic - 02690 | Glow-in-the-Dark Crystal Lab

National Geographic - 02690 | Glow-in-the-Dark Crystal Lab

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Product Description
The National Geographic Laboratory is an easy and fun way to grow an extraordinary crystal at home that glows in the dark! Just mix the crystal growing powder with water and add the base rock, and in just a few days you will have an amazing crystal! This set also includes simple instructions and a colorful study guide.

Discover the fascinating world of geology and crystals.

Fast-acting crystal growing powder allows you to grow crystals in just 3 days.

The glow-in-the-dark element is the base rock, and the crystal itself is white.
Vendor: National Geographic
$12.99
Maximum quantity available reached.

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