The ornamental design of a puzzletray, as shown and described.
FIG. 1 is a front elevational view of the puzzle tray of my new design;
FIG. 2 is top plan view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a side elevational view of the right side thereof; and,
FIG. 6 is a side elevational view of the left side thereof.
The broken lines showing applicant's trademark PUZZLE PAL and design in FIG. 1 is included for the purpose of illustration and forms no part of the claimed design.