3 Rock Island Ho Scale Engines in Boxes - COX RI 1279 GP0, AHM, The Rock GP-18 dummy, MARX RI 1962 switcher . LOT SIZE: 11x7x5" 2 LBS All information and photos, which are part of the description) are intended to be as accurate as possible, but errors are possible. No item may be returned or refused based on this information, which is provided as a service to bidders. Please read terms & conditions and ask questions before bidding.