Interactive Exhibit Cards for the Osaka-Kansai Expo Jellyfish Pavilion's "Gochamaze Orchestra" to be Exhibited for a Limited Time at the Osaka City Museum of Natural History
An exhibition at the Osaka City Museum of Natural History, running from March 26 to April 12, will feature cards from the interactive AR experience "Gochamaze Orchestra" from the Osaka-Kansai Expo's "Jellyfish Pavilion." Visitors will also have scheduled opportunities to try out the AR experience. The exhibition, titled "New Acquisitions: Exhibition of Handheld Devices as Partners for Expo Experience," explores how handheld devices transformed the Expo viewing experience.
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- 📰 Published: March 26, 2026 at 23:25
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Currently, at the Osaka City Museum of Natural History's exhibition "New Acquisitions: Exhibition of Handheld Devices as Partners for Expo Experience," from March 26 (Thursday) to April 12 (Sunday), some of the cards used for the AR (Augmented Reality) experience "Gochamaze Orchestra," a component of the 2025 Osaka-Kansai Expo signature pavilion "Playground of Life Jellyfish Pavilion" (hereinafter referred to as "Jellyfish Pavilion"), will be exhibited. Furthermore, during the exhibition period, irregularly, there will also be scheduled times when visitors can experience "Gochamaze Orchestra" using AR cards (a selection of 5 cards). The AR experience "Gochamaze Orchestra" is a product planned and developed by steAm Inc. (Location: Toshima-ku, Tokyo, Representative: Sachiko Nakajima, hereinafter "steAm") in collaboration with the Jellyfish Pavilion team and Hikarinokuni Co., Ltd. (hereinafter "Hikarinokuni").
"Gochamaze Orchestra" was permanently installed last year on the ground floor of the Jellyfish Pavilion, "Fluctuating Field of Life," as one of the interactive and playful devices that utilize the five senses. This concept was expanded by Sachiko Nakajima, who served as the pavilion's producer, from her idea of an "Augmented Music Playground" during her work in media art in NY. At the exhibition venue in the Jellyfish Pavilion, it became a very popular playground where people of different generations gathered to enjoy the sounds and visuals created by holding multiple cards in front of the camera. This mechanism has been partially carried over after the Expo into products such as an AR version of the picture book "Clara and the Imaginary Tree" and AR picture book cards, and is now something that anyone can enjoy in daily life. The cards are provided by Hikarinokuni, and various artists, including picture book authors, have drawn colorful illustrations. The AR software is provided by steAm (cooperation: T&S Co., Ltd.), and the sound sources are recordings of performances by musicians, mainly from KURAGE Band (steAm).
About the AR Experience "Gochamaze Orchestra"
Overview of the "New Acquisitions: Exhibition of Handheld Devices as Partners for Expo Experience"
The Osaka City Museum of Natural History has urgently collected notable "handheld devices" that transformed the viewing experience at the 2025 Osaka-Kansai Expo into an "active experience." Through this exhibition of actual items, we will look forward to the transformation of exhibition styles presented by the Expo.
Dates: February 18 (Wed) - April 12 (Sun) 9:30 - 17:00 (Exhibition hall entry until 16:30...