Hehehe Helium Laughing Gas Element Pun Sticker
- from our Affiliates
Try holding back your laughter at this chemistry pun. Hehehe. Black and white periodic table element Helium times 3 = "laughing gas" is a perfect joke for a geeky science lover of puns. (Yes, I know it's not actually laughing gas ... that's nitrous oxide, but it's a joke!)
$7.55
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