This authentic HO scale Deck Truss Bridge kit is designed to be used with your HO scale railroad layouts. Recommended for ages 7 and over. Unassembled. PACKAGE INCLUDES: Two Rails Two Rail Joiners One Deck Two Trusses Four Sway Braces One Bottom Brace SPECS: Scale: HO Size: 9"x1-3/8"x2-1/4" FEATURES: Nickel-Silver plated rails and Black ties Authentic true-to-life detailing REQUIRES: Polystyrene Cement COMMENTS: The Atlas #81 3" Bridge pier is made to support your deck truss singly, in series or in combination with other Atlas Bridges. march27/95sk ir/le