ETA hand2mind Plastic Pattern Blocks, Manipulatives for Geometric Exploration, Tangrams, and Puzzles (Set of 250) Explore and analyze geometric shapes, dimensions, and spatial relationships with these multicolored blocks Sort by color, group by shapes, create patterns and get artistic with the variety of colors and shapes Great for individual one-on-one use, in pairs, or in small group centers Shapes included: 50 Trapezoids, 50 Triangles, 50 Parallelograms, 50 Rhombuses, 25 Hexagons, and 25 Squares Includes 250 plastic pieces in 6 different shapes, each measuring 1-cm thick