This is a HO Scale Code 83 Deck Bridge Kit from Atlas. For experienced train collectors. FEATURES: HO scale. Easy to assemble bridge. Bridge is made of pieces that are brown and black. Parts included are: deck, rails, rail joiners, sway brace, and truss. Photo of finished bridge on front of box. Easy to follow instruction sheet included. REQUIRES: Assembly Plastic Cement Adult Supervision INCLUDES: One HO Scale Code 83 Deck Bridge Kit SPECS: Size: 9" x 1-3/8" x 2-1/4" Scale: HO COMMENTS: May contain sharp points. Keep away from young children.