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 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
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
The puzzle illustrates an astronaut standing on a rocky planet's surface; there is a rainbow of colors of blues and reds behind in the starry sky.
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Rainbow One 500 Piece Puzzle
$ 15.00
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
An 8-inch white candle with an illustrated image of Nikola Tesla on the front. He holds a lighted glowing orb in one hand and a statue of his World Wireless System in the other. Electric pulses emanate from his head, and his name appears at the bottom in yellow against a black background.
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Nikola Tesla Secular Saints Candle
$ 12.99
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
A black sock with white chalkboard style numbers and equations with red toes, tops, and heels.
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Math Socks
$ 12.00
It is a black ceramic mug with a black and white circular optical illusion etched on the front.
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Exploratorium Optical Illusion Mug
$ 15.95
There is a light blue box with a dark blue border with six drawings illustrating the chain reaction. A red glove on a spring pushes a ball into a cup, a candle sits below and burns the string that holds the cup, and the ball falls.
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Exploratorium Chain Reaction Playing Cards
$ 9.95
Three plastic test tubes are filled with glowing yellow, pink, and green powder.
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Phosphorescent Powder
$ 5.99
The gray iron filings are visible through the transparent sections on the top and bottom of the clear plastic container with a red lid and a blue and white label.
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Magnetic Iron Filings
$ 8.95
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
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A notebook is opened up with a drawing in pencil of the night sky; each planet eraser has its own spot in colorful, yellows, reds, blues, and white.
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Solar System Eraser Set
$ 12.95
All the parts that are in the kit are displayed. There are three sheets of paper in pink, blue, and yellow, an AA battery, a rubber band, a glue stick, a three-volt motor, and four markers.
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Scribbling Machine Starter Pack
$ 12.95
A black 35 mm film camera's made from paper with a copper pinhole where the light exposes the film.
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Paper Pinhole Camera
$ 10.00
Sixteen colorful illustrations of scientists in four by four panels.
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Little Scientists 500 Piece Puzzle
$ 13.99
This is a board book box set of four books in red, blue, pink, and yellow; Frida Kahlo and Amelia Earhart are illustrated.
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Little Feminist Board Book Set by Emily Kleinman, Illustrated by Lydia Ortiz
$ 14.99