Building block

Description

FIG. 1 is a front view of a building block showing first embodiment of a new design, the back view thereof being an identical image;

FIG. 2 is a top view thereof, the bottom view thereof being an identical image;

FIG. 3 is a right view thereof, the left view thereof being an identical image;

FIG. 4 is a perspective view thereof;

FIG. 5 is a front view of a building block showing second embodiment of a new design

FIG. 6 is a back view thereof;

FIG. 7 is a top view thereof, the bottom view thereof being an identical image;

FIG. 8 is a right view thereof

FIG. 9 is a left view thereof; and,

FIG. 10 is a perspective view thereof.

Claims

The ornamental design for a building block as shown and described.