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OBJECTIVE To explore if an intensive balance training protocol that incorporated the BrainPort sensory substitution device improves the standing postural balance of children with balance disorders. METHODS Eight children with balance disorders received 8-weeks of balance training while using the BrainPort device. Pre- and post-intervention changes in the Bruininks-Oseretsky Test of Motor Proficiency balance subtest (BOT-2) scores, standing duration on an unstable surface, and center of pressure (COP) sway were assessed. RESULTS Post-intervention, the BOT-2 balance subtest scores increased by 29.6% and demonstrated clinically meaningful improvements. Overall, the standing duration with vision increased. The standing duration on the unstable surface without vision increased significantly from pre- to post-intervention. However, anterior-posterior (AP) and medial-lateral (ML) sway did not change post-intervention. The children also reported new functional activities (i.e. riding a bike, standing on unsteady or narrow surfaces). CONCLUSION Balance training with the BrainPort sensory substitution device has the potential to result in clinically relevant improvements in the standing postural balance of children with balance disorders.