Giant balls of high quality work designed to use in physical exercises in areas targeted therapy or rehabilitation; work strength, flexibility, balance, coordination, etc. Made with a durable material for loads up to 300 kg. Suitable for people of all ages. These balls, very light and resistant, are used as therapy training activities motion perception. Besides the typical gym exercises can be worked to correct many other postural defects. They are also very useful in group exercise games. Promote hand coordination and stimulate the control of attention and reflexes. Capable of working in water.