Toy building block

Description

FIG. 1 is a front, left side, and top perspective view of a toy building block showing my new design;

FIG. 2 is a rear, right side, and bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The dash-dash broken lines in the drawings depict the 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.