The ornamental design for a playgroundtable, as shown and described.
FIG. 1 is a top, perspective view of a playground table according to the present invention and shown in the exemplary environment of a playground area;
FIG. 2 is a top, front side perspective view of the playground table of FIG. 1;
FIG. 3 is a top plan view of the playground table of FIG. 2;
FIG. 4 is a bottom plan view of the playground table of FIG. 2.
FIG. 5 is a left side elevation view of the playground table of FIG. 2;
FIG. 6 is a right side elevation view of the playground table of FIG. 2;
FIG. 7 is a front side elevation view of the playground table of FIG. 2; and,
FIG. 8 is a rear side elevation view of the playground table of FIG. 2.
The broken lines shown on the playground table is for illustrating portions of the article that form no part of the claimed design. The broken lines showing a playground area in FIG. 1 is for illustrating environment and forms no part of the claimed design.