US D312849 S
FIG. 1 is a front perspective view of a base driving unit for toys showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational side view thereof, the side opposite being a substantially mirror image;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof, and
FIG. 6 is a bottom plan view thereof.