Robustly constructed from stainless steel, these giant silver buttons have a rounded, discus shape with smooth seamless edges and are graduated in size. They are durable, lightweight, smooth and compellingly tactile to handle. The polished mirror surface provides a slightly curved and distorted reflection. Ideal for inspiring creative language, using in imaginative play and constructing fun wobbly stacking towers. Diameters range from 50-140 mm (2"-5-1/2").