Ryu-Q-kan (Metropolitan Area Outer Underground Discharge Channel Museum)

龍Q館（首都圏外郭放水路地底探検ミュージアム）

Stamps at this facility1

Crayon Shin-chan Kasukabe Stamp Tour - Ryu-Q-kan

Saitama ・ Ryu-Q-kan (Metropolitan Area Outer Underground Discharge Channel Museum)

Last stamped 2025.11.28

6 stamps