Fluorescent Marbles (package of 5)

Fluorescent Marbles (package of 5)

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Item #: MAR-410
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Rated 5.0 out of 5, based on 4 reviews. Write a Review
  • Description
  • Product Reviews
There's nothing special about these yellow marbles. until you put them under a black light! Made with Uranium atoms, these marbles will fluoresce a bright green! Very cool, and safe. While the marbles are slightly radioactive, the emitted radiation has been compared to the amount of radiation from a microwave, or TV. Just don't eat them. Sizes may vary.

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