ClickBlock 2-D Magnetic Building Construction Toy Super Builder Set, 54 Piece 24 squares, 12 triangles, 6 diamonds, 6 trapezoids, 6 double squares. Plus attachable graphic cards Supplement any ClickBlock 2D or ClickBlock 3D collection Build using magnets in each side for fun and educational creative play Patented grooved edges interlock to reinforce pieces' magnetic connections Compatible with most 2D-type products on the market