YM0802X Material: Rare earth， neodymium iron boron Process: Three-layer plating Sphere diameter: 5.0 mm Contains 125 magnetic spheres Up to 5000Gs of magnetic force Magnets can be shaped and designed in unlimited ways Great for training your imagination and creativity Also functions as a fashion accessory such as a necklace or bracelet Color: Red， purple， black， orange and gold Package Details Weight: 64.20 g Size: 4*4*4 cm Package Includes * 5-Color 5mm Buckyballs Neocube Magnet Toy 125pc Set