For the NdFeB Neocube,we are proud of obtain the CE Certificate,EN71-1: 2006, EN71-2: 2006, EN71-3: 2001 standard Ningbo Bestway Magnet could supply you neodymium magnets balls (NdFeB Neocube) magnetic balls (magnetic spheres) .As for the neocube, one set Neocube contain 216pcs balls .You can create huge number of shapes and models according to your imagination by this amazing magnetic ball.,we are proud of obtain the CE Certificate,EN71-1: 2006, EN71-2: 2006, EN71-3: 2001 standard. We could produce according to your request:Size: from 3mm-30mmGrade: from N35-N42Coated color: Gold, Siliver, Nickel, Black,Red ,BluePls be free contact us if you have any questions .