Geometric Brain Teaser Puzzles

Four Tricky Tangram Puzzles $9.95 The Tangram is just the beginning! In addition to the ancient Chinese classic, this set includes three other Tangram-like puzzles. A Japanese puzzle that actually predates the tangram by half a century, and two more recent designs. Ages 8 to adult.	Four Tricky Two-Way Puzzles $9.95 Turn a square into a triangle? How is that possible? Each of the four squares in this set can be transformed into a different geometric shape. See how fast you can solve them. Ages 8 to adult.	Four Tricky Two-Way Star Puzzles $9.95 Even a square can become a star! In this set, four squares are rearranged to form four different star shapes. Ages 8 to adult.
Polygony $19.95 Polygony consists of 23 pieces that are rearranged to form four different regular polygons: an equilateral triangle, a square, a hexagon, and an octagon. The pieces are made of magnetic foam so they can either be used on a flat surface or a magnet-receptive vertical surface such as a file cabinet or some white boards. Classroom activities and blackline masters are included, with four activities designed to address specific Common Core State Standards for Mathematics for 8th grade and high school geometry. This fascinating puzzle will challenge the spatial reasoning abilities of even the most gifted students and adults. Ages 12 and up.	Squared Squares $6.95 Squared Squares contains 48 magnetic foam pieces, each of which is a square. All 48 pieces form a large square, and all of the pieces of each color form different smaller squares. But that's just the beginning; seven more brain teasers will really put you to the test!	Magnet-Receptive Board $4.95 Magnets will stick to this 9" x 11" board, which is ideal for playing with magnetic puzzles at home or traveling. Pieces will stay in place, making for convenient use on your lap with no need for a table. Comes in a zip-lock bag to prevent puzzle pieces used with it from being lost. This board is well-sized for tangrams, Four Tricky puzzles, Mania puzzles, and Brain Snacks, but a bit small for Kites & Darts or HexaPlex.
TangraMagic $4.95 This foam puzzle consists of the ancient Chinese Tangram plus three additional pieces. Remove all the pieces and replace them without the magic square to fill the frame again! Plus fifteen original Tangram paradoxes. Ages 8 to adult.	Cubed Cubes $14.95 Cubed Cubes is a brain teaser puzzle that teaches students about rectangular solids and the cubic numbers. The foam pieces form red, blue, and green cubes, each of a different size. In addition, all nine pieces together form a larger cube. The puzzle is based on the mathematical curiosity that the cubes of 3, 4 and 5 sum to the cube of 6. The instructions include several additional three-dimensional puzzles to solve using the same pieces. Also included are classroom worksheets on the volume of rectangular solids and cubic numbers. Grades 2-12.