Puzzles & Games

Puzzles & Games

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Flow Ring

(2 reviews)

Constructed from a single strand of thin, flexible metal.

$9.22

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The PhiTOP

(6 reviews)

Makes a perfect gift, desktop display piece, or student stumper.

$20.55

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Centripetal Spinner

(14 reviews)

The prettiest demonstration of centripetal force we've ever seen!

$5.92

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The Original SpillNot

(5 reviews)

A fabulous solution to the ubiquitous problem of spills.

$12.31

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Melting Snowman

(3 reviews)

Build a snowman, then watch him melt into a puddle of goo.

$9.22

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*Backordered: 10/27/2025
Periodic Table Jigsaw Puzzle

(7 reviews)

This 1000-piece puzzle is sure to delight puzzlers of all ages.

$22.61

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The Disappearing Beaker

(3 reviews)

A great demonstration of 'index of refraction'.

$10.95

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Euler's Disk

(19 reviews)

Observe the hypnotic display of light and continually changing sound.

$41.15

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Rattlebacks

(7 reviews)

A half-ellipsoid object carved so that it will spin in only one direction.

$8.19–$36.00

Choositz Decision Balls

(5 reviews)

One ball bounces high while the other hits the floor and stops immediately.

$9.22

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Buzzing Stunt Magnets (Set of 2)

(2 reviews)

This is a great puzzler for students.

$4.07

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Flowing Color Spectrum

(4 reviews)

Great for sharpening those observational skills!

$7.16

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Density Paradox (set of two)

(1 review)

This is an awesome discrepant event for your most advanced density students!

$15.40

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Poly Density Kit

(30 reviews)

Spontaneous order from disorder! Isn't this a violation of The Second Law of Thermodynamics??

$20.55

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Catch and Release Cartesian Diver

(1 review)

Guaranteed to get anyone hooked on science!

$4.64–$22.61

Fluorescent Magic Sand

(29 reviews)

Sand that repels water and never gets wet!

$7.16

Periodic Table Playing Cards

(7 reviews)

Great for discovering facts about the elements while playing cards!

$16.43

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Hoberman Switch Pitch Ball

(4 reviews)

Toss the ball in the air and watch the colors magically flip!

$10.25–$18.49

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