Carded Crystal Grow Powder GID - PLAYNOW!

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National Geographic

Carded Crystal Grow Powder GID

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Grow a glowing crystal and compare it to the included fluorite specimen. These crystal-growing experiments take some time, but your patience will be worth it! Learn all about crystal formations and watch the crystals grow day by day. Conduct a crystal-growing experiment today!

Ages 8+. NOT For kids under 3 yrs.

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