Two AM Tullo sensory hemispheres can be used during balance exercises, correction of posture defects, stimulation of blood circulation, stimulation of sensory receptors, treatment of flat feet and valgus of lower limbs in children or reducing muscle tension. This interesting accessory is perfect for creative play with children as a variety of group activities. The design with special, conical spikes is responsible for stimulating the sensory receptors and improving blood supply.