Designed by architects including Tadao Ando and Kengo Kuma, the Tokyo Toilet project forms the backdrop for the Oscar-nominated film Perfect Days. Here, Dezeen rounds up all 17 facilities. More about Explore all 17 Tokyo Toilet projects featured in Wim Wenders' film Perfect Days
Japanese architect Sou Fujimoto has unveiled a public toilet that incorporates a communal hand-washing basin, as the final instalment of the Tokyo Toilet project. More about Sou Fujimoto's Tokyo toilet incorporates elongated communal sink
Specialist toilet designer Junko Kobayashi has created a public toilet within a series of weathering steel cylinders as her contribution to the Tokyo Toilet project. More about Junko Kobayashi tops weathering-steel Tokyo toilet with bright yellow disc
Designer Miles Pennington and DLX Design Lab of the University of Tokyo have designed a public toilet in Japan that can be used as an exhibition space, cinema, pop-up kiosk, information centre or meeting place. More about Miles Pennington creates Tokyo toilet to be "centre of the local community"
Japanese graphic designer Tomohito Ushiro has completed the Hiroo East Park toilet in central Tokyo as the latest addition to the Tokyo Toilet project. More about Tomohito Ushiro designs Tokyo toilet to be "a piece of public art"
Industrial designer Marc Newson has created a public toilet topped with a traditionally shaped copper roof in Shibuya as part of the Tokyo Toilet project. More about Marc Newson unveils "trustworthy and honest" public toilet in Tokyo
Designer Kazoo Sato has created a public toilet that uses voice commands to control functions including the door, toilet flush, taps and ambient music as part of the Tokyo Toilet project. More about Kazoo Sato designs hemispherical public toilet for Tokyo
Graphic designer Kashiwa Sato has built a public toilet wrapped in white aluminium louvres alongside Ebisu station in central Tokyo, Japan. More about Kashiwa Sato creates "pure white toilet" in Tokyo
Pritzker Architecture Prize-winner Toyo Ito has created a public toilet within three mushroom-shaped blocks as his contribution to the Tokyo Toilet project. More about Toyo Ito designs trio of mushroom-like public toilets in Tokyo
Japanese fashion designer Nigo has designed a public toilet in the shape of a small home as the latest addition to the Tokyo Toilet project. More about Nigo creates "friendly" house-shaped public toilet in Tokyo
Japanese architect Kengo Kuma has unveiled a toilet in Tokyo named A Walk in the Woods, which was designed to "to dispel the conventional image of public toilets". More about Kengo Kuma reveals cedar-clad public toilet in Tokyo
Japanese architect Takenosuke Sakakura has created three unisex toilets that glow like a lantern at night in Tokyo's Nishihara Itchome Park as part of the Tokyo Toilet project. More about Takenosuke Sakakura imprints trees on frosted glass toilet in Tokyo
Pritzker Prize-winning architect Tadao Ando has completed a circular toilet in a Tokyo park as his contribution to the Tokyo Toilet project. More about Tadao Ando creates circular public toilet surrounded by cherry trees in Tokyo
A maze of board-marked concrete walls encloses this public toilet in Tokyo, which interior design studio Wonderwall created for the Tokyo Toilet project and modelled on prehistoric Japanese architecture. More about Concrete Tokyo toilet by Wonderwall references primitive Japanese huts
Pritzker Prize-winning architect Fumihiko Maki has designed a facility for the Tokyo Toilet project, replacing a public restroom in Tokyo's "Octopus Park" with a new design topped with a thin white roof that it has dubbed the Squid Toilet. More about Fumihiko Maki tops Tokyo toilet with "cheerful roof"
Pritzker Prize-winning architect Shigeru Ban has designed two public toilets for the Tokyo Toilet project with transparent glass walls that become opaque when they are occupied. More about Shigeru Ban designs pair of transparent public toilets in Tokyo
New York-based Japanese designer Nao Tamura has squeezed a red public toilet block onto a triangular plot in Tokyo's downtown Shibuya district as part of the Tokyo Toilet project. More about Nao Tamura bases triangular toilet block in Tokyo on Japanese craft of Origata