Move 1 or more of the rubber balls by adjusting your feet or weight while practicing balance and gross motor skills. The nubs on the treads of the board stimulate the foot reflex zones. To promote hand-eye coordination, the board can also be held in the hands to navigate up to 5 of the marbled rubber balls.  Please note, the board does not come with a brake.   Max User Weight - 30kg Measurements - 51 x 16.5 x 7cm