Bubble machine

FIG. 1 is a front perspective view of bubble machine, showing my new design;

FIG. 2 is a rear 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; and

FIG. 8 is a bottom view thereof; and,

FIG. 9 is an enlarged detail view of area 9 shown in FIG. 1 .

The broken lines in the drawings illustrate the portions of the bubble machine, which form no part of the claimed design.

The long-dash short-dash broken lines in the drawings are for the purpose of showing the area of enlargement and form no part of the claim.