Robustly constructed from hard wearing stainless steel, these beautiful smooth tactile balls provide a stretched version of reality that is distorted like a fish-eye lens giving children a fascinating view of themselves and the world. The balls are lightweight and easy to handle for the youngest children, they can be used indoors or out and provide a focal point for displays. The reflective surfaces provide a colour match with the surroundings which will promote interest and discussion. Set of 7 which includes 1 x 50, 60, 70, 80, 90, 100 and 110mm dia. Suitable from birth.