YM0635G Sphere diameter: 5 mm 216 piece set Glow-in-the-dark design Can be shaped and designed in many ways Helps to stimulate your imagination Great for training your creativity and hands-on skills Package Details Weight: 102.72 g Size: 5*4*3 cm Package Includes * 5mm Glow-in-the-Dark Buckyballs Neocube Magnet Toy 216pc Set