Thank you for viewing. Otona no Kagaku Magazine - Appendix: V-Twin Steam Engine The appendix has been opened to check the contents. A special feature exploring the structure and mechanism of the V-Twin steam engine in depth. The appendix is unassembled, but upon close inspection, there may be minor scratches and dirt. Please refrain from purchasing if you are concerned. Individual price negotiations will not be accepted. Please read the profile. Many other items are also on sale. - Title: Otona no Kagaku Magazine V-Twin Steam Engine - Size: A4 size #OtonaNoKagakuMagazine #VTwinSteamEngine