Magformers Math Activity (124 Piece) Set Magnetic    Building      Blocks, Educational  Magnetic    Tiles Kit , Magnetic    Construction  STEM Set 12 Geometric shapes; including special shapes Trapezoid, Diamond, Pentagon, Super Square, Super Triangle and Hexagon 50 Page Math Book Compatible with all MAGFORMERS shapes and accessories Neodymium Rare-Earth Magnets for guaranteed connectivity BPA Free HQABS Plastic