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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A black g-clamp with a divot on the left side.
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G-Clamp Bottle Opener
$ 12.00
Four boxes with images of crystal structures in different colors: Green, blue, red, and multicolor.
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Colorful Crystals Kit (Assorted Colors)
$ 4.99
An orange and black butterfly made of metal.
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Monarch Butterfly Metal Earth
$ 9.50
A purple stuffed toy with large round eyes and eyelashes.
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Giant Microbe Kissing Disease
$ 13.00
A blue stuffed plush toy shaped like the common cold virus. It is blue, round, and has large black eyes.
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Giant Microbe Common Cold
$ 13.00
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
An orange and red colored poppy flower enamel pin on a black cardboard backing.
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California Poppy Pin
$ 13.99
Gold enamel pin in the shape of a robot with a blocky head, gray body, and red details.
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Robot Baby Pin
$ 12.99
Tan heather sock with assorted butterflies printed all over the sock.
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Butterfly Socks
$ 10.00
A white microscope pin with black accents and a silver outline.
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Microscope Enamel Pin
$ 12.99
A green and blue colored depiction of a plant cell on an enamel pin.
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Plant Cell Pin
$ 12.99
A blue oval shaped pin with accents of dark blue, yellow and green.
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Animal Cell Pin
$ 12.99
An oval shaped pin with blue, green, and purple accents in the shape of a bacteria cell.
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Bacteria Cell Pin
$ 12.99
A motorboat made with wood with a black sail and the yellow motor kit sits on a beach.
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Huckleberry Make Your Own Motorboat
$ 11.00
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Astrophysics for Young People in a Hurry is a paperback book. It is 9.1 x 6.1  inches in dimension. The cover is white, with drawings of different space-related planets, satellites, asteroids, and black holes appear on the cover in purple, yellow, red, orange, and blue-green.   
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Astrophysics for Young People in a Hurry by Neil DeGrasse Tyson with Gregory Mone
$ 11.95
A 16oz pint glass with scissors, snippers, pincushion, knitting needles, crochet hook, thread spool, and cone are screen printed all around in a turquoise silhouette.
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Crafty Tools Pint Glass
$ 12.00
A 16oz clear pint glass with science tools in silhouette in navy ink.
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Science Tools Pint Glass
$ 12.00
This full deck of cards ( with numbers and suits for actual gameplay) features 26 profiles of women and gender minorities in physics careers—including the Exploratorium's own senior physicist, Desiré Whitmore.
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Across the Spectrum: Women & Gender Minorities in Physics Careers Playing Cards
$ 12.00
Turquoise playing card box with a window to show a lenticular image of a dog. Stack of lenticular cat and dog cards sitting next to it.
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3D Dog Playing Cards
$ 9.95
The background of the sock is blue, there is a yellow lab in a laboratory coat, and laboratory equipment sits in duplicates on the sock; the cuff, toe, and heel are black.
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Science Lab Socks
From $ 10.00 - $ 12.00
Red and white box with a window to see lenticular black and white cat image on playing cards. Four playing cards with different lenticular cat images lying in front of the playing cards box.
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3D Cat Playing Cards
$ 9.95
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
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 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