The ornamental design for a puzzletoy, as shown and described.
FIG. 1 is a perspective view of a puzzle toy, showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right-side elevation view thereof;
FIG. 5 is a left-side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The surface of the puzzle toy forms part of the claim. The broken lines on the surface of the puzzle toy and the protruding push and rest buttons, shown in broken lines, do not form part of the claimed design.