YM0423S Contains 100 cylinder magnets Can be shaped and designed in unlimited ways Great for training your imagination and creativity Recommended for children above 6 years old Diameter: 3 mm Package Details Weight: 17.12 g Size: 3.00*2.00*0.3 cm Package Includes * 3mm Buckyballs Neocube Cylinder Magnet Toy 100 Pcs Set (Silver)