The present invention is for a support sleeve for a riser supporting an elevated toy vehicle trackway above a surface, the sleeve comprising a first end, a second end having an open end, one or more walls extending between the first end and second end, wherein the one or more walls define a hollow interior for supporting the riser, and one or more supports extending outwardly from the perimeter of the first end. The one or more supports form a shoulder extending outwardly from the first end, wherein the shoulder encircles the perimeter of the first end. The present invention further provides a method of stabilizing one or more toy vehicle tracks mounted on one or more track risers, comprising inserting a first track riser within a hollow support sleeve having a top end and a base end, the base end having one or more outwardly projecting supports.