... Service Offered Design Service Offered EM-B390 Creative Neocube Magnet Balls : Prducts name EM-B390 Creative Neocube Magnet BallsBrand nameEast MagnetMaterialNeodymium ... , rare earth materialSizeD3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15mmColourNickel (silver), black, gold, blue ... more information and quotation soon. EM-B390 Creative Neocube Magnet Balls