Toy building block

Description

FIG. 1 is a front, right and top perspective view of a toy building block, showing my design.

FIG. 2 is a rear, left and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is a cross-sectional view of the toy building block of FIG. 1, taken along section line 9-9 as depicted in FIG. 3; and,

FIG. 10 is a cross-sectional view of the toy building block of FIG. 1, taken along section line 10-10 as depicted in FIG. 3.

The broken lines depict portions of the toy building block that form no part of the claimed design.

Claims

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