Tokyo Tourism Info
http://www.tourism.metro.tokyo.jp/english/index.html
Transportation does not operate 24 hours.
The ticket name, “One-Day” refers to service hours
between the first and last trains on that date.
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Tokyo Metropolitan Government
http://www.kotsu.metro.tokyo.jp/eng/index.html
* Toei Marugoto Kippu
Toei One-Day Economy Passes allow unlimited use of
Toei subways, Toei buses, the Toei Streetcar (Toden)
Arakawa Line, and the Nippori-Toneri Liner for one day.
Adult: 700yen / Child: \350yen
On the day of use, passes are available at ticket machines
in all Toei subway stations and Nippori-Toneri Liner stations,
and on Toei buses and streetcars.
* Ichinichi Johsha Ken
The Common One-Day Economy Pass allows unlimited use of
Toei subways and Tokyo Metro Lines for one day.
Adult: 1,000yen / Child: 500yen
The Common One-Day Economy Pass is available at ticket
machines in all Toei subway and Tokyo Metro Line stations.
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The Tokyo Metro Subway
http://www.tokyometro.jp/en/index.html
* Special One-Day Open Ticket
Where to buy [ Narita Airport ]
Adult: 600yen / Child: 300yen
Valid route Good for unlimited rides on all Tokyo Metro lines.
This ticket is available to visitors from abroad.
You will be required to show a flight ticket or a passport at purchase.
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Enjoy! :-)