I've used the stone fleck paint to good effect. Suggestion: Get a can of flat gray latex paint and paint the cork or whatever roadbed you are using first. Then after that dries, come back with the spray cans of stone fleck. You will find a can goes a LOT farther!
The shot below shows how it looks. The cork roadbed was glued down, and then the flat gray was painted on both the roadbed and the foam support. This also had the desired effect of sealing the foam against the solvent in the spray paint. Let it dry, then hit it with the fleck. After everything dries, install the track. I glued it to the roadbed with Liquid Nails.
Chris
LVHR
