Hey, you've got pi on your 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
The Exploratorium Store carries unique gadgets, games, tinkering items, and books that focus on science, art, and technology. All purchases help to support the Exploratorium’s educational mission.
Pier 15 Store Hours Wednesday–Sunday: 10:00 a.m.–5:30 p.m.Thursday Evenings: Open until 10:30 p.m.