Classroom set includes 500 blocks in 10 bright colours, comprising 400 cubes, 50 triangles and 50 quadrants, as well as 4 base boards and 42 double-sided activity cards in a sturdy storage container. The double-sided numbered cards become more challenging as the numbers increase and contain a variety of ideas for learning about creative construction, shape & space, pattern sequence, symmetry and numeracy. 14 x red border cards numbered 1-28 for early years, illustrating how to recreate familiar objects e.g. tree, giraffe, crocodile. 28 x green and blue border cards numbered 1-56 for learning different areas of mathematics.