FIG. 1 is a bottom, front, and right side perspective view of a magnetic building block, showing my new design;
FIG. 2 is a bottom, rear, and left side perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof;
FIG. 9 is an enlarged view of a portion labeled 9 in FIG. 2; and,
FIG. 10 is an enlarged view of a portion labeled 10 in FIG. 4.
The dash-dot dash lines in FIG. 2, FIG. 4, FIG. 9 and FIG. 10 are for purpose of depicting the boundary of the enlarged view and form no part of the claim. The dash-dash lines represent portions of the article that form no part of the claimed design.