Stimulate creative construction, numeracy and problem solving activities using this virtually unbreakable monster pack of blocks in your classroom. The creative possibilities are endless with this monster pack. Each set includes 500 blocks in 10 bright colors, comprising 400 cubes, 50 triangles, 50 quadrants, 4 base boards and 20 2-sided activity cards. Block measures 2cm square, in sturdy plastic container. Grades K - 6
