0273 Color Cubes	0416 Tangrams	Tangrams are geometric puzzles with 2 large triangles, 1 medium triangle, 2 small triangles, 1 square and 1 parallelogram.
0286 Pentominoes	2240 Pentominoes 3D	Pentominos come in 12 shapes that are scored with five sections on each piece.
0318 Tangramables Book	0336 Patternables Book
0134 Pattern Blocks	0264 Pattern Block Activity Cards	Pattern Blocks come in 6 shapes and 6 colors and are used to explore geometric shapes and concepts.
1512 Geoboard Pattern Block Array	0425 Geoboards Set	Geoboards are used for lessons in plane geometry and measurement.
1270 Attribute Blocks	4340 AngLegs	The Brown (Broad) Stair is the traditional material for concepts of thick and thin. The Attribute Blocks may be used to introduce the concepts of thick and thin but will not have the underlying progressive lesson in the sensorial representation of the square of a number. AngLegs may be used in place of the Geometric Stick Material for exploration and analysis in plane geometric shapes however you will not have any of the arched shapes to work with.