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Frabjous Puzzle: Special Edition - Iridescent

5 out of 5 stars
$58.99 CAD Canadian Flag
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Product Information

ObjectAssemble the Plastic Pieces
DifficultyLevel 10 - Mind Boggling
TypePlastic Interlocking Puzzles
Dimensions6 in x 6 in x 6 in / 15.24 cm x 15.24 cm x 15.24 cm

Product Description

Museum of Mathematics (MoMath)
30 identical pieces combine to form a beautiful sculpture
Finished size 6" x 6" x 6"
Designed by Mathematician George Hart
Made from laser cut, dichroic acrylic
Made in the USA

The special edition Frabjous is a sculpture and geometric assembly puzzle made from dichroic acrylic. The swirling geometric form is composed of thirty identical pieces that catch and reflect the light in stunning fashion.

Mathematically, the planes of the shape are the face planes of a "great rhombic triacontahedron," a self-intersecting polyhedron with thirty rhombic faces. But the puzzle piece is a carefully designed subset of the rhombus that doesn't intersect copies of itself.

Weaving the parts through each other so each remains planar is trickier than it looks. Instructions are included.
Recommended for ages 16+.

The word Frabjous is, of course, from Jabberwocky by Lewis Carroll, "O frabjous day! Callooh! Callay!"

-George Hart, Artist

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Customer Reviews |

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5 out of 5 stars
5 out of 5 stars

Disclaimer: These reviews are written by our customers. Puzzle Master makes every attempt to keep these posts informative and relevant. If you find a post objectionable or inappropriate, please let us know by sending an email to

5 out of 5 stars On Wednesday May 23rd David Goodger wrote,
Not sure why this is listed as Level 10. It's not a puzzle, but a work of mathematical art. Putting it together is a bit of a challenge, but that's not the point. The iridescent special edition Frabjous is well worth the extra money. This thing is GORGEOUS (the photo doesn't do it justice). As your viewing angle changes, and even as the light changes, you'll see all the colors of the rainbow. It makes a great centerpiece, or you could even hang it as a sun-catcher. Highly recommended -- as art, but not as a puzzle

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