The ornamental design for a playgroundglider, substantially as shown and described.
FIG. 1 is a perspective view of a playground glider according to the present invention; shown in use on an unclaimed swing set;
FIG. 2 is an enlarged perspective view of the playground glider of FIG. 1;
FIG. 3 is a front side elevation view of the playground glider of FIG. 2;
FIG. 4 is a rear side elevation view of the playground glider of FIG. 2;
FIG. 5 is a left side elevation view of the playground glider of FIG. 2;
FIG. 6 is a right side elevation view of the playground glider of FIG. 2;
FIG. 7 is a top plan view of the playground glider of FIG. 2; and,
FIG. 8 is a bottom plan view of the playground glider of FIG. 2.
The broken lines are for illustrative purposes and represent environmental structure and unclaimed portions of the invention and therefore form no part of the claimed design.