[GW 1st Announcement] Happiness Kids Festival supported by Cosmonet & Peace Stadium Flea Market to be held! Giant inflatable activity "Big Amusement Park Playland" makes its first appearance in Japan!

We are pleased to announce that Nagasaki Stadium City will host the "Happiness Kids Festival supported by Cosmonet Inc. (hereafter, Happiness Kids Festival)" and the "Peace Stadium Flea Market" for two days on May 4th (Mon/Holiday) and May 5th (Tue/Holiday), 2026, at Nagasaki Stadium City. Through experiences unique to Stadium City, we will provide a fulfilling time for you to enjoy with family and friends. This information is the first part of our Golden Week planning, and we plan to announce further additional information in due course. ■ "Happiness Kids Festival" taking over the entire Stadium City The "Happiness Kids Festival," which was well-received last year, expands its stage to the entire Nagasaki Stadium City this year, returning even more powered up. The main venue, Happiness Arena, will feature the Japan-first (*) giant inflatable activity "Big Amusement Park Playland." Furthermore, this year we will step out of the arena to offer a wide variety of content that parents and children can enjoy all day long in various parts of Stadium City, such as the "Colorful Kids Train" traversing Nagasaki Stadium City, the "Children's Art Museum," and playground equipment in the South Plaza. (* According to the manufacturer. As of April 2026, regarding the installation record of the relevant playground equipment in Japan) ● A massive gathering of inflatable playground equipment, including the Japan-first "Big Amusement Park Playland"! Inside the Happiness Arena, various inflatable playground equipment that can be enjoyed by everyone from small children to adults is scheduled to appear, such as the Japan-first "Big Amusement Park Playland," sliders, and a pirate ship ball pool. You can experience dynamic play that fully utilizes the vast space of the arena. Dates: May 4th (Mon/Holiday) - May 5th (Tue/Holiday)