5mm neocube magnet balls 1)216 pcs per set in one tin box 2) ... NdFeB Magnets:Product: neocube toys,magnetic spheres,neocube magnet,magnetic balls Features:1)Mateials: NdFeb magnet2)Colors: nickel, black,silver, gold ... than just a cool toy. diametre 5mm 6mm colorful magnet balls neocube