... Neocube 2)Coating:Nickel,silver,gold,black,red,blue 3)Dia:4.8mm5mm,6mm,7mm,8mm,9mm 4) ... N35,N38 5)CE D5mm Gold Magnetic NeocubeA fun puzzle ... 6mm,7mm,8mm,9mm(tolerance+/-0.02mm) Color: gold, silver,black nickel, blue, red colors Magnetic force(N35grade):5mm 5000-5400guass,6mm ... Warning: please keep away from younger children and pets! D5mm Gold Magnetic Sphere