Magformers R/C Cruisers (42-pieces) Set Magnetic    Building      Blocks, Educational  Magnetic    Tiles Kit , Magnetic    Construction  STEM Toy remote control wheel Set 10 magnetic shapes and RC wheels. Step-by-step idea booklet Compatible with all MAGFORMERS shapes and accessories. Neodymium Rare-Earth Magnets for guaranteed connectivity. BPA Free HQABS Plastic.