Glowing Crystals Grow phosphorescent crystals that glow in the dark! Experiment with growing crystals of different sizes. Learn about why crystals form, what crystal lattice structure
is, and what makes these crystals glow.
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WARNING: All products sold are labeled by the manufacturer if the product poses a choking hazard for a certain age group of children. Toys designated for ages 3 years and older may contain small parts and pose a choking hazard. They are not suitable for children under 3 years.
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