The ornamental design for a constructionsetblock, as shown and described.
FIG. 1 is a first perspective view of a construction set block showing our new design;
FIG. 2 is a second perspective view of the construction set block showing our new design;
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 broken lines in the Figures are for the purpose of illustrating portions of the article that form no part of the claimed design. The broken lines and the unshaded surfaces within are included to identify parts of the article's appearance that form no part of the claimed design. The intermittent broken lines represent the bounds of the claim which form no part of the claimed design.