HexaPlex
$34.95
"HexaPlex" is the world's first true fractal puzzle. With this unique puzzle, students and other puzzle lovers can actually build a fractal with their own hands. This magnet-backed foam puzzle contains only one shape, but in five different sizes, with over 270 pieces in all. Following a simple set of rules, iterative placement of the different size pieces builds an approximation of a infinite fractal. Different matching rules result in different fractals using the same set. A 12-page instruction pamphlet, including 9 challenges and 3 copyable worksheets, comes with the puzzle.
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Making Faces
$19.95
A unique tessellation puzzle in which a face is formed where four square pieces fit together. There are three different types of pieces, allowing over 1,000 distinct faces. What's more, if a face is viewed upside down, as different rightside-up face is seen! Making Faces comes with instructions that include several brain teasers plus a game using the pieces. Four reproducible worksheets cover translational and rotational symmetry in tessellations, the mathematics of combinations, and drawing 2-way faces. 120 cardboard pieces, packaged in a plastic jar.
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KnoTiles
$14.95
Everyone is familiar with the utilitarian and decorative uses of knots, but mathematicians study knots as well. KnoTilesTM is a puzzle that serves as an introduction to the mathematics of knots and the symmetry of knot designs. All of the knots through seven crossings can be formed with the set, and the instructions contain over a dozen brain teasers. The puzzle pieces feature photographic rope images, with a second color of rope on some pieces to allow the formation of links (like knots, but with more than one strand). 105 cardboard pieces. Grades 3-12.
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PentaMania
$9.95
Is there a pent-up PentaManiac in you? Find out as you arrange and rearrange 56 colorful "folded pentagons" into literally hundreds of provocative patterns. 56 magnet-backed foam pieces. Ages 5 to adult.
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TriangleMania
$9.95
Guranteed to unleash the triangle maniac in you! Three sizes of colorful equilateral triangles, 72 in all, form hundreds of tantalizing patterns. 72 magnet-backed foam pieces. Ages 5 to adult.
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TetraMania
$9.95
Be warned: TetraMania can strike at any time! They look simple enough. Five shapes made up of four squares that can be arranged and rearranged to form hundreds of tempting patterns. 60 magnet-backed foam pieces. Ages 5 to adult.
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