三井不動産
The is a model railway museum in Nishi-ku, Yokohama, Japan, which opened on 10 July 2012. Managed by Mitsui Fudosan, the museum houses the extensive collection of model trains built and amassed by the Japanese model railway enthusiast . The museum covers an area of approximately 1,700 m², with the display area covering an area of approximately 1,200 m².