Pi Day Collection

Are you ready to take a slice out of science? Whether you're a mathlete or just love a good pi pun, we have the perfect pieces to celebrate this scrumptious day.

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Circular metal pendant with numbers circling the edge and a pi symbol charm attached to the front. The pendant and charm are attached to a circular keyring.
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Exploratorium Pi Keyring
$ 14.95
A copper coin with the pi symbol on the front.
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Pi Solid Copper Coin
$ 15.00
A gold enamel pin depicting a slice of pie with the symbol for "Pi" on the top. The filling is orange.
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Pi Pie Slice Pin
$ 12.99
Tin cookie cutter made out of the tin in the shape of the Pi symbol.
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Exploratorium Pi Cookie Cutter
$ 3.95
A clear cake dish with a Pi symbol brown sugar cake dusted with powdered sugar.
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Exploratorium Pi Cake Pan
$ 16.99
A black silicone ice cube tray that freezes ice into the shape of the Pi symbol. There are three ice cubes in the form of Pi along a diagonal from upper left to bottom right.
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Exploratorium Pi Ice Cube Tray
$ 14.99
The Exploratorium Pi Shrine Moscow Mule Mug is a copper mug with a brass handle. The Exploratorium's own Pi Shrine is etched on the front. The digits of Pi moves in a circular design, gradually getting smaller trailing off to a Pi symbol in the middle.
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Exploratorium Pi Shrine Copper Mug
$ 21.00
A cream-colored tote bag with 1,878 digits of Pi in gold, creating a circle printed on the front. In the middle is the Pi symbol in black. The strap is black.
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Exploratorium Pi Black & Gold Tote
$ 24.00
A clear 18oz glass with different math equations in black ink all around the surface.
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Equations That Changed the World Drinking Glass
$ 20.00
The math-themed rocks glass is etched with digits of Pi for your detail-oriented side, and an approximation of Pi.
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Pi Theorem Rocks Glass
$ 18.00
A fine pewter pin in the shape of the Pi symbol on a white card with Exploratorium on the top in black.
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Exploratorium Pi Pin
$ 5.95
Golden Hexagon pendant with the numbers of pi in a spiral. The symbol for pi is engraved in the center, as well as the word "shrine."
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Exploratorium Pi Shrine Pendant
$ 22.00
Golden hexagon earrings with the numbers of pi in a spiral. The symbol for pi is engraved in the center, as well as the word "shrine."
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Exploratorium Pi Shrine Earrings
$ 14.00
Red and black socks with images of pies with the pi symbol on them.
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Pi Pie Socks
$ 12.00
A navy blue sock with light blue on the cuff, heel, and toe; light blue Pi symbols are throughout the sock surface.
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Pi Symbol Socks
$ 13.95
Dark gray socks with Pi symbol and 85 digits of Pi in white and green.
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85 Digits of Pi Sock
$ 13.95
A red cover with images of different shapes on the cover drawn in yellow.
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Simply Math
$ 16.99
A white paperback book with half of a pie with a slice taken out on the bottom on a red and white checkered tablecloth. "How To Bake π" is in red above.
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How to Bake Pi: An Edible Exploration of the Mathematics of Mathematics by Eugenia Cheng
$ 19.99
"The Master Theorem" puzzle book is an oversized paperback with a dark blue cover with different mathematical and mysterious symbols in white.
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The Master Theorem - A Book of Puzzles, Intrigue and Wit by M.
$ 29.99
8" x 8" board book illustrated book cover of the ABCs of Mathematics. Three circles with Addition, Base, and Chord. Red spine with science tools in white .
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ABCs of Mathematics by Chris Ferrie
$ 9.99
A white box with graph paper lines with Math Fluxx and zero through eight filled in with different colors.
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Math Fluxx
$ 20.00
A light blue book with an illustration of Ada Lovelace on the cover.
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Little People, Big Dreams Ada Lovelace by Maria Isabel Sánchez Vegara
$ 15.99
A paperback book that is 10.9" x 8.8". The cover is beige with text down the front. There are squares and a circle on one side.
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Can You Solve My Problems?: Ingenious, Perplexing, and Totally Satisfying Math and Logic Puzzles by Alex Bellos
$ 15.95