D5mm neodymium magnets balls/Neocube
1.Grade:N33, N35, N38, N40, N42, N48, N50, N52
2.Coating:Ni, Ni-Cu-Ni, Zn, Tin, Epoxy, Ni-Ag, Ni-Au, etc.
3.Size: D3mm,D4mm, D5mm, D6mm, D7mm,D8mm,D9mm,D10mm ... or customized size per your requirements
4.Applications: intelligent toy for children, educational on kindergarten, ect
5.Package: 216pcs/steel box or as per your request.