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It was also well-received last year.
Lego® Festival in Marunouchi.
This year's theme is "Play unites the town!"
Even more powerful!
At Marucube on the 1st floor Marunouchi Bldg. Maru Building, LEGO® Build a town with blocks
"Let's create a new Marunouchi together!" and
Lego® Assembling botanical elements such as "pink roses".
In addition to holding Shops,
Lego® Duplo® LEGOs you can play with® A swimming pool will also be featured.
Furthermore, we will tour various locations Marunouchi Area.
"Collect them, assemble them, and go on an adventure!"
Lego® One Piece Stamp Rally and
"Find it and pose! LEGO"® "Photo rally," etc.
It can be enjoyed by people of all ages, from children to adults.
A variety of projects are being developed.
This summer, Marunouchi will
It will become a playground that everyone can enjoy!

CONTENTS

advance
Reservation requiredLet's create it together!
New Marunouchi

  • Lego® Shops where you build a town using building blocks.
    Let's display everyone's artwork together to create a grand Marunouchi district.
    Let's finish it.

    place
    Marunouchi Bldg. 1st Floor Maru Cube
    Period
    August 1st Sat, August 2nd Sun, August 8th Sat, August 9th Sun,
    8/11 (Tue/Holiday), 8/15 Sat, 8/16 Sun, 8/22 Sat
    time
    [First session] 12:00 - 12:40
    [Second session] 12:40 - 13:20
    [3rd session] 13:20-14:00
    [4th session] 14:00-14:40
    [5th session] 14:40-15:20
    [6th session] 15:20-16:00
    Capacity
    30 people each time
    Target age
    Ages 4 and up (accompanied by a guardian)
    way to participate

    <How to participate in the Shops >

    Please apply using the reservation form below.
    Book your appointment here.
    • *Reservations require registration as a new LivePocket member.
    • *Each session is on a first-come, first-served basis.
    • *To allow as many people as possible to participate, reservations are limited to one per account (up to two people per reservation).
    • * Adding LEGO Japan's official LINE account as a friend is also a requirement for participation.
      Add me as a friend here
    • *If you applied for the lottery through MARUNOUCHI WORKERS,
      Winners will be selected through a strict lottery process, and only those who have been selected will be contacted.

    <Conditions for taking home prizes>

    Present your receipt for purchases or services totaling 3,000 yen (including tax) or more at Eligible Stores for Marunouchi Point.
    After the experience, LEGO® You can take home a mini block kit.
    Click here to check Eligible Stores for Marunouchi Point
    • *Only receipts from the day of participation are valid.
    • *Receipts can be combined.
    • ※Lego® Receipts from pop-up stores are not eligible.
    • *You cannot take home only the mini kit without participating in the experience.
    • *The same receipt cannot be used for multiple content.
      "Let's create a new Marunouchi together!"
      "Lego® This coupon can only be used for one of the following: the Botanical Shops or the MARUNOUCHI Receipt Raffle.

advance
Reservation requiredLego® Botanical
Shops

  • "Lego® One "pink rose" from the "Botanical Series" and
    Choose one flower from Others series and assemble it.
    Shops. Arranging the flowers we made to create a large flower bed.
    Let's make it.

    place
    Marunouchi Bldg. 1st Floor Maru Cube
    Period
    7/31 Fri ~ 8/22 Sat
    time
    [First session] 18:00-18:40
    [Second session] 18:40-19:20
    [3rd session] 19:20-20:00
    Capacity
    18 people each time
    Target age
    Participants must be 18 years of age or older. *Participants under 18 years of age may only participate if accompanied by a guardian.
    way to participate

    <How to participate in the Shops >

    Please apply using the reservation form below.
    Book your appointment here.
    • *Reservations require registration as a new LivePocket member.
    • *Each session is on a first-come, first-served basis.
    • *To allow as many people as possible to participate, reservations are limited to one per account (up to two people per reservation).
    • * Adding LEGO Japan's official LINE account as a friend is also a requirement for participation.
      Add me as a friend here
    • *If you applied for the lottery through MARUNOUCHI WORKERS,
      Winners will be selected through a strict lottery process, and only those who have been selected will be contacted.

    <Conditions for taking artwork home>

    At Eligible Stores for Marunouchi Point, purchases and usage of 3,000 yen (tax included) or more will qualify.
    Show your receipt and you can play LEGO after the experience.® Botanical "Pink Rose" (1 flower)
    You can take it home with a special sleeve.
    Click here to check Eligible Stores for Marunouchi Point
    • *Only receipts from the day of participation are valid.
    • *Receipts can be combined.
    • ※Lego® Receipts from pop-up stores are not eligible.
    • *You cannot take home only the pink roses without participating in the experience.
    • *The same receipt cannot be used for multiple content.
      "Let's create a new Marunouchi together!"
      "Lego® This coupon can only be used for one of the following: the Botanical Shops or the MARUNOUCHI Receipt Raffle.

Lego® Pop-up store

  • "Lego®Botanical From the "Series" onwards, to children
    LEGO is popular with adults too.® Products are available for purchase for a limited Period.
    Pop-up store.
    Lego® In addition to an engraving Service that allows you to add your favorite text to the block-shaped key ring, we also offer purchase benefits depending on the purchase amount.
    Furthermore, popular LEGO® Vending machines where you can buy products
    It will be featured inside the pop-up store.

    For purchases exceeding the specified amount
    Get a special gift!
    Details available at the pop-up store.
    Please check.

    • *Only one item can be selected per transaction.
    • *While supplies last.
    place
    Marunouchi Bldg. 1st Floor Maru Cube
    Period
    July 31 Fri- August 23 Sun
    time
    Weekdays 12:00 - 20:00
    Saturdays, Sundays, and holidays 11:00 AM - 8:00 PM
    LEGO POP UP STORE

    Original vending machines are also available!

Weekday-onlyLEGO® pool

  • Lego® Duplo® Playing in a pool filled with blocks
    A play area where you can play.
    A weekday-only spot that even young children can easily enjoy.

    place
    Marunouchi Bldg. 1st Floor Maru Cube
    Period
    July 31 Fri- August 21 Fri *Held on weekdays only
    time
    11:00〜16:00
    Target age
    Ages 1.5 years and older *Must be accompanied by a guardian
    *Depending on the crowd situation, we may impose time limits.

Lego® Mini Figure Greeting

  • Lego® Have fun taking photos with the minifigure characters.

    place
    Marunouchi Bldg. 1st Floor Maru Cube
    Period
    August 3rd Mon- August 5th Wed (3 days)
    time
    ① 12:30 - ② 14:00 - ③ 15:30 -

    *Depending on the crowd situation, we may distribute numbered tickets or limit the number of participants.

advance
Reservation requiredCollect, assemble, and embark on an adventure!
Lego® One Piece Stamp Rally

  • Explore Marunouchi Area and assemble Chopper's hat!

    Collect three stamps to get a Netflix live-action series
    A LEGO version of Chopper's hat, a popular character from "ONE PIECE" Season 2.® It can be made with blocks.
    You can take your finished artwork home with you.

    place
    ① Marunouchi Bldg. 3rd Floor Corridor (Start & Finish)
    ② Shin-Marunouchi Bldg. 3rd floor
    ③ iiyo!! (iiyo!!) 1st basement floor
    *Please check the rally sheet for detailed location information.
    Period
    July 31 Fri- August 23 Sun
    time
    Start registration 12:00-15:00
    Goal Registration 12:00-16:00
    • *The start and finish line will be in the corridor on the 3rd floor Marunouchi Bldg..
    • *The final time for receiving the goal (prize) is 16:00.
    • *The hours during which stamps ② and ③ can be applied are subject to Opening Hours of each building and each floor.
      For more details, please check Marunouchi.com.
    way to participate
    Capacity: 400 people
    Target age
    Ages 6 and up (accompanied by a guardian)
    way to participate
    Please apply using the reservation form below.
    Book your appointment here.
    • *Reservations require registration as a new LivePocket member.
    • *First come, first served each day.
    • *To allow as many people as possible to participate, reservations are limited to 4 people per session.
    • *If you applied for the lottery through MARUNOUCHI WORKERS,
      Winners will be selected through a strict lottery process, and only those who have been selected will be contacted.

    *Limited quantities available each day; sales will end once supplies run out.

Find it and strike a pose!
Lego® Photo rally

  • LEGO sets are installed in five locations Marunouchi Area® A photo rally featuring 3D models of blocks.
    If you show the staff at Marucube on the 1st floor Marunouchi Bldg. any three photos you have taken at your favorite locations,
    Lego® A photo frame will be given as a gift.

    • *You will need to take photos from three different locations out of the five to fulfill the prize redemption requirements.
    • *3D models from locations other than those listed in ① to ⑤ below are not included.
    • *The prize contents will not change even if you complete all 5 locations.
    • *Participation is limited to one time per person during Period.
    • *Limited quantities available each day; sales will end once supplies run out.
    Period
    July 31 Fri- August 23 Sun
    Installation location
    ① In front of ACE BAGS & LUGGAGE Marunouchi Oazo Marunouchi Oazo ② Marunouchi BRICK SQUARE, 1st basement floor, Nijubashi-mae Station side ③ Next to YAKITORI MATSUMOTO MARUNOUCHI B1F Nijubashi SQUARE Square ④ In front of SlitPark on the 1st floor Shin-Kokusai Bldg. *Closing time is 19:00 on Saturdays, Sundays, and holidays. ⑤ Tokyo Bldg. TOKIA, B1F, next to Seven - Eleven Details of the installation location can be found here.
    Shooting time
    Opening Hours are subject to those of each building and floor.
    *For more details, please check Marunouchi.com.
    Prize redemption location
    Marunouchi Bldg. 1st floor of Maru Building
    Prize exchange time
    14:00-20:00

Instagram Post Campaign

  • The official account of Marunouchi.com and the official account of LEGO Japan,
    20 lucky winners will be randomly selected from those who follow both accounts and post on Instagram with the specified hashtag, and will receive a LEGO set.® Win a block product!

    Submission Period
    July 31 Fri- August 23 Sun
    Application method
    1. 1: Marunouchi.com (@marunouchi.com_official) and
      Follow both of LEGO Japan's official Instagram accounts (@legojapan_official).
    2. 2: Designated hashtag "#レゴフェス丸の内2026Add " and
      Lego® Post photos from Festival in Marunouchi 2026
    Marunouchi.com Official Instagram　LEGO Japan Official Instagram
    Designated hashtag

    「#レゴフェス丸の内2026」

    Winner Notification
    Mid-September 2026 (planned)
    *Winners will be notified via direct message (DM).
    Prizes
    Lego® Brickheads
    Monkey D. Luffy Figure

MAP

Swipe to see the whole picture

Each building is connected by underground passages! Even on rainy or hot days.
Travel comfortably! *Please check the signs for the underpass.

  • ... Stamp rally
  • ... Photo rally

​Click here for the "Otemachi, Marunouchi, and Yurakucho Underground Map"

*All images are for illustrative purposes only.
*Contents are subject to change without notice.