Bubble Machine

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

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side plan view thereof;

FIG. 5 is a left side plan view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines and de-emphasized lightened portions within the broken lines illustrate portions of the bubble machine that form no part of the claimed design.