Pi in the Sky Gift Ideas T-Shirt
- from our Affiliates
Pi in the Sky t-shirts, buttons, hats, mugs, stickers and more for mathletes, geeks, math teachers and students who celebrate Pi Day on March 14. That's right 3.14 is Pi Day. The Pi Symbol Rocks. Pi Rules- to infinity and beyond. Cool Gear based on van Gough's Starry Night.
$22.45
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