Magformers are magnetic geometric shapes that adhere on every edge. Neodymium magnets spin freely along the edges of each piece, making every side a sure attraction to any other piece. All magnets are safely encapsulated in the durable plastic, making Magformers safer than many magnetic building toys. This is a collective set with all the basic shapes! 144 pieces total: 46 triangles, 44 squares, 12 pentagons, 6 rectangles, 4 hexagons. Also contains 6 isosceles triangles, 4 super triangles, 6 super squares, 16 accessories.