Exploratorium Pi Unisex T-Shirt
The first five digits of pi and a date the world won't see again for 1,000 years—look your best with this t-shirt. Show off your pi pride to an astonishing 1,878 digits.
Made in the United States from 100% organic cotton.
Available in adult sizes XS-XXL
Hey, you've got pi on your shirt!
- Product Type: Apparel & Accessories