Gifts Under $15
Celebrate the irrational, transcendent, and never-ending ratio with our Pi (π) Day collection of gifts! You’ll find pi-themed jewelry, baking accessories, apparel, and more.
Celebrate in-person: Join the 37th annual celebration of Pi Day on Thursday, March 14 with free pie, a Pi parade, live music, and more!
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Math Socks
$ 12.00
Phosphorescent Powder
$ 5.99
Magnetic Iron Filings
$ 8.95
85 Digits of Pi Sock
$ 13.95
Paper Pinhole Camera
$ 10.00
Magnetic Sand Timer
$ 19.99
Learn to Solder: Blink
$ 14.99
Learn to Solder Kit: Hue
$ 14.99
3D Planets in a Tube
$ 8.99
3-D Mirascope
$ 11.00
Rainbow Stunt Streamer
$ 9.00