In the Ocean Standard Pack
$19.95
Features three things found in the ocean -- squids, sea turtles, and rays -- in blue, sea green, and purple. Every piece fits every other piece for an ocean of possibilities! Color instructions show over a dozen different tessellations that can be formed with the set. Ages 5 to adult. 90 foam pieces.
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Salamander Tie in Red
$39.95
Based on a tessellation designed by Escher in 1942. In reds.
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"Fractal Trees"
$19.95
In this book, by combining photographic imagery with iteration, the mathematical process at the heart of fractals, Robert Fathauer explores his unique vision of a nature that is even more fractal than the real world. These creations include a fern-like tree built from the stem of a rose bush, an infinite collection of spirals formed from the skeleton of a cholla cactus, and a tree whose outline resembles a maple leaf. Thirteen different trees are shown in two page spreads, and six randomized fractal trees are shown as well. The book also includes a section on the method used to create the trees and notes on the individual trees. Included are three classroom worksheets that teachers can copy, covering branching of fractal trees, trees in nature, and infinite series. By Robert Fathauer. 52 pages, 8-1/2" x 11".
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Zometool Buckball Project Kit
$29.95
Buckyballs, named for Buckminster Fuller, are unique arrangements of carbon atoms that occur in nature. They have exciting potential for a variety of technologies. Find out how buckyballs stimulate human research and imagination. 90 pieces. List price $35.
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Icosahedral Double Die
$1.50
A twenty-sided die within a larger and transparent twenty-sided die! Only available in color shown.
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X-Ball
$29.95
The X-Ball is made up of 30 magnetic X-shaped pieces that click together to form a skeletal icosidodecahedron. The parts can be taken apart and rearranged in nearly endless ways. The X-Ball comes with a 96-page illustrated book that provides exercises for creative brainstorming and problem-solving.
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Polyhedra Activity Book
$12.95
This book contains two pages of background material about polyhedra, an activities example page, plus two dozen 8.5" x 11" pages of different polyhedra, including all eighteen Platonic and Archimedean Solids. There are six activities that may be performed for each page: 1) Identifying the number and different types of polygons in the polyhedron;
2) Counting the number of vertices, faces, and edges in the polyhedron;
3) Writing out the name of the polyhedron and learning to pronounce it;
4) Marking the different types of symmetry the polyhedron possesses;
5) Drawing the polyhedron by connecting dots; and
6) Coloring the polyhdedron. By Robert Fathauer. 8-1/2" x 11", 30 pages (2009).
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Drawing the Whole Picture DVD
$19.95
Shows artist Dick Termes making drawings in one- through five-point perspective with the use of grids. The DVD goes through six drawings in 40 minutes. Includes commentary by the artist. Serves as an excellent introduction to the use of unusual perspective systems, and makes a good companion to Dick's "New Perspective Systems" book. 2009.
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