FIG. 1 is a lower perspective view of a toy building brick, showing my new design in a first embodiment;
FIG. 2 is a right side view of the embodiment of FIG. 1;
FIG. 3 is a left side view of the embodiment of FIG. 1;
FIG. 4 is a front side view of the embodiment of FIG. 1;
FIG. 5 is a rear side view of the embodiment of FIG. 1;
FIG. 6 is a top view of the embodiment of FIG. 1;
FIG. 7 is a bottom view of the embodiment of FIG. 1;
FIG. 8 is a lower perspective view of a toy building brick, showing my new design in a second embodiment;
FIG. 9 is a right side view of the embodiment of FIG. 8;
FIG. 10 is a left side view of the embodiment of FIG. 8;
FIG. 11 is a front side view of the embodiment of FIG. 8;
FIG. 12 is a rear side view of the embodiment of FIG. 8;
FIG. 13 is a top view of the embodiment of FIG. 8; and,
FIG. 14 is a bottom view of the embodiment of FIG. 8.
The broken lines immediately adjacent the shaded areas represent the bounds of the claim which form no part of the claimed design.