Polydron Class Set
Unique construction manipulatives. Brightly-colored components are made from a high-quality plastic. All pieces join together by a snap-action joint which allows pieces to hinge through 260°. Allows user to construct a very wide range of two-dimensional and three-dimensional geometric and abstract shapes. Includes 200 equilateral triangles, 80 squares, 24 pentagons, 20 hexagons, 80 right-angled triangles, 60 isosceles triangles, 30 rectangles, and resource book, all in a plastic storage trunk.
The book included is Elementary Geometry Lessons Using The Polydron System. '94
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