Sensory hemispheres hedgehog/diamond Tullo 483 2 pcs. The Tullo sensory hemisphere set is recommended for both children and adults. Properties: The structure is made of durable material free of BPA and heavy metals. The use of hemispheres brings a number of health benefits, such as: correction of posture defects, balance training, stimulation of blood circulation, stimulation of sensory receptors, treatment of flat feet and valgus of the lower limbs in children, and reduction of muscle tension. Technical data: · set includes 2 pieces (1 hedgehog-shaped and 1 diamond-shaped) · diameter: 15.5 cm