Ball-operated control device for electronic circuits
FIG. 1 is a perspective view of a ball-operated control device for electronic circuits showing my new design; 
     FIG. 2 is a top plan view of the device; 
     FIG. 3 is a bottom plan view of the device; 
     FIG. 4 is a side elevational view of the device; 
     FIG. 5 is a front elevational view of the device; and, 
     FIG. 6 is a rear elevational view of the device.