Bucky Balls 1) Different size: 3mm,4mm,4.8mm,5mm,6mm...10mm 2)COlor: NI,BLACK-NI,GOLD,SILVER, AND colorful 3)Delivery time:<7 Magnetic neocubes bucky ballsBucky Balls Neocube M-cube. Bucky Balls. Original M Cube: 216 magnets. Black M Cube: 216 magnets. Mega M Cube: 1000 magnets!. Neodymium magnets with a colorfull coating ,gold, silver,black nickel, blue, red ,yellow ,green ,orangeHours of ...