Container Culture Museum in Shinagawa, Tokyo, is holding a free summer holiday event for elementary school students on August 5 and 6, 2026, featuring a quiz rally, container craft activities, and an SDGs workshop on containers and sustainability.
A free real-life mystery-solving game based on Here Comes the Black Witch!! runs from August 1, 2026 through January 31, 2027 at Tokyo Dome City LaQua, letting visitors explore the air-conditioned complex on a story-driven walking challenge.
A limited-time story-style aquarium, "Kurashiki Goldfish Museum — Night Parade of a Hundred Yokai Goldfish," opens July 17 at Aeon Mall Kurashiki in Okayama, taking visitors through six themed spaces populated by about 40 species and 1,000 goldfish across a single night from midnight to dawn.
Warner Bros. Studio Tour Tokyo – The Making of Harry Potter will hold "Dark Arts Halloween," its first Halloween special event since opening, from September 10 to November 8, 2026, transforming the venue into a world overtaken by Death Eaters and Dementors.
From July 21 to September 13, children in middle school or younger accompanied by a guardian can play billiards free for up to two hours at BAGUS amusement locations across Tokyo, Kanagawa, Chiba, Saitama, and Nagoya.
From July 11, 2026, Karuizawa Prince Hotel Ski Resort is opening "Karupuri Snowland," an indoor snow play area inside the Snow House where visitors can experience real snow through the height of summer, built using the resort's artificial snowmaking technology.