Description
Two 4"-thick (101.6 mm) lightweight foam risers — used when track needs to clear a lower track for over-and-under crossings, helix sections, or substantial elevation changes. Sub-Terrain System compatible.
Two 4"-thick (101.6 mm) lightweight foam risers — used when track needs to clear a lower track for over-and-under crossings, helix sections, or substantial elevation changes. Sub-Terrain System compatible.