Board with a small rotatable wheel recessed therein, which is provided with four raised projections and a strap which is provided with seven small holes

摘要

The invention is a simple instrument for visual assistance with eye-limb coordination exercises. Use is made of a small board with a small recessed, rotatable wheel, provided with four projections and a strap with seven small holes. By joining the projections of the wheel to the holes in the strap in different combinations, it is possible to present sixty different eye-limb coordination exercises.