FIG. 1 is a top perspective view of a pet toy showing a first embodiment of our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is another side elevational view thereof;

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a top perspective view of a pet toy showing a second embodiment of our new design;

FIG. 7 is a top plan view thereof;

FIG. 8 is a side elevational view thereof;

FIG. 9 is another side elevational view thereof; and,

FIG. 10 is a bottom plan view thereof.

The broken lines are for purposes of illustration only and form no part of the claimed design.