Tokyo Metro Museum under rail track of TozaiLine near Kasai Station has a theme exhibition of 100 scale models of tube trains from March 6 to April 15. Entrance fee to the museum is 210 yen for a grown up. The fee includes the themed exhibition.
The announcement says the museum closes onMondays. It is advisable to call before your visiting on the safe side.
https://www.walkerplus.com/event/ar0313e218905/
