Geek & Co. Crystal Nightlight
With Geek & Co. Crystal Nightlight, grow your own crystal and display it on a special platform that turns it into a mesmerizing, color changing LED nightlight. Learn about the chemistry of crystal formation and the physics of light and color. First you'll grow the crystal from alum powder, then you'll wire up the nightlight circuitry, then put them both together. Warning: Contains chemicals, adult supervision suggested.
Ages 8 to 12 years.
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