Tetsudou Nippon! Rosen Tabi - Kikansha Thomas Hen - Ooigawa Tetsudou wo Hashirou! (鉄道日本！ローゼン旅－機関士トーマス編－大井川鉄道を走ろう！) is a Nintendo 3DS game developed by Marvelous Inc. and published by Nippon Columbia. The game is based on the classic Thomas the Tank Engine series and lets the player take on the role of Thomas and explore the Ooigawa Railway. Players will be able to experience the everyday life of a train driver, from making sure the train arrives on time to providing customer service. The game also features a variety of activities, such as operating the train, collecting items, and enjoying mini-games. Players can also explore the Ooigawa Railway and its surrounding areas, discovering new sights and sounds along the way. With its colorful visuals, engaging gameplay, and charming characters, Tetsudou Nippon! Rosen Tabi - Kikansha Thomas Hen - Ooigawa Tetsudou wo Hashirou! is sure to delight players of all ages.