The reactive balance board resembles situations where the contact with the surface suddenly gets unstable. The Balance board mimics situations that occur in metros, buses or on slippery surfaces. It can be used on one or two feet with or without support, but for even more challenging exercises the signs on the high posts can be used. By alternatingly touching the different symbols in a pre-defined pattern with right and left hand both full body balance, coordination and cognition can be challenged.