The ornamental design for a toyrailroadwagon, as shown and described.
FIG. 1 is a top perspective view of the top side, the right side and the
front side of a toy railroad wagon showing my new design, the side
opposite being a mirror image; and,
FIG. 2 is a perspective view of the underside, the left side and the rear
side of the toy railroad wagon, the side opposite being a mirror image.