"Chikatoku" is a service to provide 1-Day Open Tickets privileges which is managed jointly by Tokyo Metro and the Tokyo metropolitan government's Transportation Bureau.
It provides many unique privileges such as discounts of the admission fees of museums and museums of art, free admissions of amusement parks, and present of one home-made dessert in restaurants for those who show an applicable pass such as 1-Day Open Tickets issued by Tokyo Metro and the Tokyo metropolitan government's Transportation Bureau at various spots along the Tokyo Metro lines and the lines run by the Tokyo metropolitan government's Transportation Bureau (Toei Subway, metropolitan bus, and Toden)
You can also confirm the information on the WEB site of "Let's Enjoy Tokyo".
Show Your Ticket to Get Value!
Advantages such as discounts at various spots of interests in Tokyo!