FIG. 1 is a perspective view of a bottle cap with a sound generator showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof;
FIG. 9 is another front view showing the bottle cap with the sound generator coupled to a bottle;
FIG. 10 is the other perspective view showing the bottle cap with the sound generator coupled to another squashed bottle;
FIG. 11 is an exploded view thereof;
FIG. 12 is another exploded view thereof; and,
FIG. 13 is a cross-sectional view thereof taken along the line 13-13 of FIG. 6.
The broken lines in FIGS, 1, 8 and 13 are for the purpose of illustrating portions of the bottle cap with the sound generator that form no part of the claimed design. The broken lines of the bottle in FIGS. 9-10 illustrate unclaimed environment and forms no part of the claimed design.