【Tokyo Rainbow Sewerage Museum】 Golden Week Event 2026

Tokyo Rainbow Sewerage Museum GW Event 2026 is Here!!

At the Tokyo Rainbow Sewerage Museum, we will be holding various large and small events from April 25 (Sat) to May 6 (Wed/Holiday) where both adults and children can have fun learning. We are waiting for everyone with a wide variety of events, such as a magnet-making craft featuring the renewed Earth-kun motif, the "Let's Experience Work Together" where both adults and children can experience the work of sewerage bureau staff, a program offering an AR (Augmented Reality) experience where colorful fish appear around you when you put on glasses, and a "Craft Show!" by craft comedian "Dekita-kun". On weekdays during this period, we are also holding the consistently popular "Mystery Solving Sewerage 2026". Please come and experience the joy of "there's always something going on whenever you visit".

* Admission and participation are all free. * Some programs require advance reservations or same-day reservations, so please check the official website for details. * The museum will be closed on April 27 (Mon).

Event Information

◆ Tokyo Rainbow Sewerage Museum GW Event 2026

April 25 (Sat) - May 6 (Wed/Holiday), 2026, 9:30 - 16:30

<< Recommended Programs >>

Monthly Kids Craft! ~Golden Week Special~ April 25 (Sat) & 26 (Sun)

We will make magnets of Earth-kun, the official character of the Tokyo Metropolitan Sewerage Bureau. * Target: Preschoolers to junior high school students (Children in 3rd grade of elementary school and younger must be accompanied by a guardian) * Participation ticket required

Experience! AR Aquarium May 3 (Sun/Holiday) & 4 (Mon/Holiday)

This is a program where you can enjoy an AR (Augmented Reality) experience where colorful fish appear around you when you put on glasses. * Target: All visitors (Children in 3rd grade of elementary school and younger must be accompanied by a guardian) * No reservation required

Sewerage Bureau Staff Role-play Photo Session! May 2 (Sat) & 3 (Sun/Holiday)

An event where you can wear the uniform of sewerage bureau staff and take commemorative photos. * Target: Elementary and junior high school students * Same-day reservation required

Cardboard Maze May 3 (Sun/Holiday) & 4 (Mon/Holiday)

A giant maze appears in the Sewerage Plaza...! This is a program where you navigate towards the goal. * Target: Preschoolers to junior high school students * No reservation required

Dekita-kun's Craft Show! May 5 (Tue/Holiday) & 6 (Wed/Holiday)

A craft show using styrofoam by the craft comedian "Dekita-kun". * Target: All visitors (Children in 3rd grade of elementary school and younger must be accompanied by a guardian) * Advance web reservation required

* We will also hold many other events. Please check this event page for details of each program.

Tokyo Rainbow Sewerage Museum GW Event 2026 https://www.nijinogesuidoukan.jp/event/2535/

We sincerely look forward to your visit.