Robustly constructed from stainless steel, these 7 giant silver buttons have a pleasingly rounded discus shape with smooth seamless edges and are graduated in size from 50mm to 140mm diameter. They are lightweight, smooth and compellingly tactile to handle. The hand finished mirror surface provides a slightly curved and distorted reflection which is fascinating for children to observe. Ideal for inspiring creative language, using in imaginative play and constructing fun wobbly stacking towers.