KO Sticks LLC | Geometric Structures by John and Jane Kostick
www.kosticks.com
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Tetraxis magnetic geometry puzzle
Tetraxis Magnetic Geometry Puzzle

as satisfying to break apart as it is to reassemble!

Top-Rated by The New Yorker magazine
"challenging but not throw-it-across-the-room challenging"

 
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Based on the configuration of wires in the Tetraxis® Star, this ABS plastic puzzle is a safe,
high-quality toy version of one of our many Tetraxis® magnetic assemblies in wood.

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Twelve identically shaped sticks magnetically connect in this hands-on learning puzzle.
Assembly Instructions
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Tetraxis Geometry
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Playdough Activities with the Tetraxis Toy

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"In the category of Educational Toy That Could Pass for a Real Toy, the high scorer was Tetraxis, a magnetic geometry puzzle, in which you try to assemble colorful geometric pieces into a whole.  It's challenging but not throw-it-across-the-room challenging. Bonus points for knowing that the structure is arranged along directions common in nature, similar to carbon and silicon atoms. This factoid also makes for a dandy conversation stopper."
                                                                 The New Yorker, Dec. 6, 2010
                                                                 “Toy Stories: Rating this year's playthings”
                                                                 by Patricia Marx
Kostick puzzles
"The Tetraxis puzzle is absolutely beautiful.  In 5 decades of being involved with toys and toy design I have not seen any better.  It is at the top in quality, concept, design, function, safety and play value.  It is truly a timeless toy that is a perfect gift for all ages.  I am so impressed."
                                                                                                                               John Lewman
                                                                                                                                Toymaker Press, Inc.

“Our three kids love these toys – they are challenging for the adults but our 9-year-old puts it together blindfolded and beats everyone!”

                                                                                                                                         Keith D., Sudbury, MA

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This toy is a product we have discontinued.
But we still make handcrafted versions in small quantities and in many different kinds of wood.
*** To see more photos and videos, visit our Facebook page. ***

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