N Scale World Craft O&K Kaishima Coal Mine #31 Steam Locomotive Assembly Kit. This product is an assembly kit. Photo is after painting and assembly. This is a model of a steam locomotive manufactured by Orenstein & Koppel in 1925, which was used in the Kaijima Coal Mine Railway that used to exist in Japan until the mine was closed in 1976. We do not mark merchandise values below value or mark items as “gifts” – Japan, US and International government regulations prohibit such behavior. About Importer’s Obligation. Thank you for your understanding.