Walthers Cornerstone Series174 N Scale Yard Office & Shed Kit Shed: 2-5/8 x 4-1/8 x 2-1/4" Office: 3-5/8 x 2-1/4 x 1-3/4" Fits Steam or Diesel Eras Two Complete Structure Kits Milwaukee Road Prototype Yard Office Great Addition to Any Yard or Large Industry Complex Decal Signs Included