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Radioactive Elements Glowing Coaster Set

Invented at ThinkGeek

Now we're in our element

  • Coasters light up when you put your drink on them
  • A set of glowing radium, plutonium, uranium, and thorium
  • A ThinkGeek creation!
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Now we're in our element

We love chemistry, so we really light up when we talk about this product created at ThinkGeek: our Radioactive Elements Glowing Coaster Set. Featuring the atomic number and isotopic mass of the most stable or common isotope for their respective radioactive elements, these pressure-sensitive coasters light up when you put your drink on them. Choose to set your drink down on:

  • Radium-226 (Red)
  • Plutonium-244 (Blue)
  • Uranium-238 (Green)
  • Thorium-232 (Orange)

Set of four comes in a box with the radioactivity warning symbol. Batteries included.

Product Specifications

  • Coasters that light up when you put your drink on them
  • Perfect for the chemist in your life
  • Great for parties - easily remember which drink is yours
  • Feature the atomic number and isotopic mass of the most stable or common isotope for each element
  • Materials: Plastic
  • Batteries: 8 3V CR2032 batteries (included)
  • With constant use, batteries last c. 4.5 hours
  • Dimensions: 3 3/4" square, 1/4" thick
  • Weight: 3/4 lb. (set of 4)
  • Not dishwasher safe
  • Note: The coasters used in the video were an (incorrect) sample. They still look and work exactly the same- except for the "95" on Uranium, which has since been corrected to 92.

Radioactive Elements Glowing Coaster Set Video: