Kirk here. Recently, I was asked to speak to a group of young people from Malaysia who came to look at Kumamoto’s modern architecture. If I had known about this, I would have recommended it to them but I just learned about it.
If you go to the following site, you can click on “Access” to find a Google map showing the exact location on Kamitori:
Kids may be particularly happy to spend some time at the water park will a parent shops.
The Yabashi architecture firm, which has designed the installation, is located in Kumamoto:
https://www.dezeen.com/2019/08/13/omoken-park-kumamoto-cafes-architecture-yabashi/