The ornamental design for a footboard for a scooter, as shown and described.
FIG. 1 is a perspective view of a footboard of a scooter having circular regions that display contrasting colors of light emission on a rectangular foot-supporting side thereof;
FIG. 2 is a top view of the footboard of FIG. 1 showing the foot supporting side of the footboard, with vertical hatching indicating the color red and horizontal hatching indicating the color blue;
FIG. 3 is a perspective view of a second embodiment of a footboard of a scooter having circular regions that display contrasting colors of light emission on a rectangular foot-supporting side thereof; and,
FIG. 4 is a top view of the footboard of FIG. 3 showing the foot-supporting side of the footboard, with horizontal hatching indicating the color blue and cross-hatching indicating the color orange.
The portions of a scooter shown in broken lines in FIGS. 1–4, including wheels, handlebars, and mountings thereof, denote the environmental use of the claimed design, are for illustrative purposes only, and form no part of the claimed design.