This is a Kugel Ball. This one is a perfectly balanced globe of granite and weighs over 2268 kilos (5000lbs) The 1.5 horsepower pump under it pumps enough water to support the
Boule Wettkampfkugel, Ø 74 (3 Stück) | Manufactum
Technogym Wellness Ball | Gymnastikball für ein aktives Sitz- & Rückentraining