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How many different shapes can your students create from this exciting nine-piece puzzle? Consisting of one large, three medium and five small right triangles, these trigram pieces can be arrayed to show many geometric relationships. The enclosed puzzle bo......Read More about the "Dr. Super`s Trigram Puzzle" on the Calculator Source Website

This intriguing puzzle will fascinate students with its challenging solution. PolyPackPlus contains 21 pieces and is a bit more difficult to solve. The shapes can also be used to demonstrate the metric relationship that 1cc of volume weighs 1gm and displa......Read More about the "Polypackplus" on the Calculator Source Website

For many years puzzle makers and students of geometry have experimented with packing a cube volume with tetrahedrons. This clever manipulative polyhedron puzzle demonstrates a solution to this problem. Includes eight pentahedrons, four irregular tetrahedr......Read More about the "Polypackpuzzle" on the Calculator Source Website

The newest and most challenging PolyPack puzzle. Two new pieces provide additional packing schemes and puzzle challenges that will hold students` interest. Combined with previous PolyPack puzzles, this manipulative yields even more interesting variations ......Read More about the "Polypowerpack" on the Calculator Source Website

Solve this seemingly simple but tricky manipulative puzzle to create a regular tetrahedron with the four congruent shapes provided. Includes four pentahedrons packed in a soft leatherette pouch. Solution included.......Read More about the "Tetrateaser Puzzle" on the Calculator Source Website

This intriguing group of polyhedra provides insight into symmetries, volumes, surface area, trigonometry, color mapping and other concepts. Named after Archimedes, who described these solids in the 2nd century B.C., the 13 semiregular solids all have regu......Read More about the "The Archimedeans - 13 Semiregular Solids Described With Full Color Layouts For Assembly And Exhibit" on the Calculator Source Website

70 TRIGRAM Puzzle Outlines, 8-1 - 2 x 11......Read More about the "Trigram Puzzle Outlines (70 Outlines, 8-1/2 X 11)" on the Calculator Source Website