Let your imagination run wild! Design 2D patterns and pull them up into 3D towers, rockets, castles and large ‘magic balls’. The open nature of MAGFORMERS® shapes are great for small fingers to handle and the instant connectivity will let the fun last for hours! Compatible with all MAGFORMERS® shapes and accessories. Neodymium Rare-Earth Magnets for guaranteed connectivity.BPA Free HQABS Plastic.