Customize your HO Scale streets quickly and easily with this Cornerstone Concrete Curbs and Sidewalks set. Perfect for all popular modeling eras, the parts are molded in light gray and match the sidewalks and curbs included with Cornerstone Street System kits (each sold separately). A great value, the set comes with complete instructions and includes: 20 straight sidewalks and add-on curbs 8 curved corner sidewalks and add-on curbs 16 manhole covers 16 storm sewer grates 8 fire hydrants 4 curb transitions 2 each alley and driveway entrances with sidewalks and molded curbs 2 large corner sidewalk with molded curb