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The ornamental design for electronic teaching aid, as shown and described. |
FIG. 1 is a front elevational view of an electronic teaching aid embodying our design;
FIG. 2 is a front perspective view of the toy with the instructional playing card removed;
FIG. 3 is a rear elevational view;
FIG. 4 is a side elevational view;
FIG. 5 is a top plan view; and
FIG. 6 is a bottom plan view.
The side not shown is identical to that shown.
Hyman, Gregory E., Greenberg, Lawrence J.
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