⭐︎ This is a power unit for the Railway Collection. ⭐︎ The items in the photos will be sent. ⭐︎ Specifications ・Wheelbase: Approximately 16mm / Wheel diameter: 6mm ・Silver wheels ・Compatible with Super Mini Curve Rail (C103) ⭐︎ Included items ・Brill 21E truck frame (black) for one car ・Arnold coupler unit x 2 ⭐︎ Unopened, stored at home.