Magformers Unique Set (44 Pieces) Basic Curve Magnetic    Building      Blocks, Educational  Magnetic    Tiles Kit , Magnetic    Construction  STEM Set 5 geometric shapes (Square, Sector, Arch, Cone, Sphere Sector) Step-by-Step instruction booklet Compatible with all MAGFORMERS shapes and accessories Neodymium Rare-Earth Magnets for guaranteed connectivity BPA Free HQABS Plastic