Inflatable Building Block

FIG. 1 is a perspective view showing a first embodiment of my new inflatable building block design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view showing a second embodiment of my new inflatable building block design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

In FIGS. 8 - 14 , the appearance of any portion of the article between the break lines forms no part of the claimed design.