... Delivery 4.With CE certificate Buckyballs/Neomanets/Neomagnets/Neocube/Zen Magnets//Magnet BallWhat is Neocube?composed by 216 strong beads, ... is what neocube can bring to you. Neocube specification: MaterialRare earth magnetGradeStandard N35Size5mm, 6mm, 7mm,8mm customizedTolerance+/-0.02mmCoating:Nickel, ... , Green, Pink, Purple,Orange Buckyballs/Neomanets/Neomagnets/Neocube/Zen Magnets//Magnet Ball