CHIKYU Co., Ltd. to Participate in 'Rankatsu 2027' Fair in Kagoshima, Showcasing 30 Randoseru Models with NASA Technology
CHIKYU Co., Ltd., a planner and seller of randoseru school bags, will participate in the 'Yamakata-ya no Ran-katsu 2027 Ran-Fes' at the Yamakataya department store in Kagoshima City from May 27 to 31, 2026. The company will exhibit and offer for sale approximately 30 models from its 'Chikyu NASA Randoseru' series, which utilizes Temper Foam®, a shock-absorbing material developed for NASA. New products include the lightweight 'COSMOS FILLES' model, the 'UNICA ANIMA' model where 5% of sales are donated to WWF Japan, and a new color for the 'YOLO' model. The event, which does not require reservations, provides an opportunity for families to check the fit and functionality of the bags in person.
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- 📰 Published: May 19, 2026 at 18:40
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CHIKYU Co., Ltd. (Headquarters: Minato-ku, Tokyo; CEO: Yasuo Tsujitani), a company involved in the planning and sales of randoseru school bags, will participate in the 'Yamakata-ya no Ran-katsu 2027 Ran-Fes ~ Randoseru Pre-order Fair' held at the Yamakataya department store in Kagoshima City.
At the event, the company will exhibit and sell approximately 30 'Chikyu NASA Randoseru' models, which use Temper Foam®, a shock-absorbing material developed for NASA. Families are invited to visit, try on the bags, and examine their comfort, functionality, and colors from various perspectives.
■ Event Details (No reservation required)
Dates: Wednesday, May 27 - Sunday, May 31, 2026
Location: Yamakataya Bunka Hall (Building 2, 6th Floor)
Address: 3-1 Kinsei-cho, Kagoshima City
Phone: 099-227-6111
■ Featured Products
[New] Chikyu NASA Randoseru® COSMOS FILLES
Model No.: KF-N01
Price (incl. tax): 68,000 yen / Price (excl. tax): 74,800 yen (*as in original text)
Gusset Width: 12.5cm
Weight: Approx. 1,010g
Main Material: Clarino F
Colors: Lilac x Pearl Lavender, Pink Beige x Pearl Beige, Carmine
Features: A lightweight model named after the Greek for 'harmonious universe' and the flower language for 'a girl's sincerity.' It features trendy colors with pearl accents and a distinctive gradient cosmos pattern reflection.
[New] Chikyu NASA Randoseru® WWF Model UNICA ANIMA
Model No.: WWF-N05
Price (incl. tax): 81,000 yen / Price (excl. tax): 89,100 yen (*as in original text)
Gusset Width: 12.5cm
Weight: Approx. 1,230g
Main Material: Clarino Aquaduo
Colors: Frosty Gray, Turquoise, Olive Green
Features: A model created out of concern for endangered species. 5% of sales will be donated to WWF Japan's environmental conservation activities.
[New Color] Chikyu NASA Randoseru® YOLO
Model No.: EY-N01
Price (incl. tax): 72,000 yen / Price (excl. tax): 79,200 yen (*as in original text)
Gusset Width: 12.5cm
Weight: Approx. 1,140g
Main Material: Clarino F
Colors: Black x Navy (new), Nail Pink x Antique White, Lilac x Pink Beige, Bordeaux x Khaki
Features: Themed 'You only live once,' this model expresses individuality with bold multi-color designs and a unique asymmetrical flap shape. It includes one YOLO-specific cover.
■ About Chikyu NASA Randoseru®
CHIKYU Co., Ltd.'s 'Chikyu NASA Randoseru®' series uses Temper Foam®, a shock-absorbing material developed by NASA, to reduce the burden on children. By combining long-standing experience and technical skill with the latest technology, and using environmentally friendly materials, the company aims to create randoseru that are 'gentle to the Earth and to children.'
(Website: https://chikyubag.com/lp/)
■ 2027 Randoseru Catalog
Free catalog requests for children entering school in FY2027 are being accepted on the official website.
(Request Form: https://chikyubag.com/catalog/)
■ About CHIKYU Co., Ltd.
Founded in 1922 as 'Chikyu Kaban Seisakusho,' the company has built a reputation for high-quality, conscientious products themed around a 'planet full of life.' In September 2023, the company changed its name from Ikeda Chikyu Co., Ltd. to CHIKYU Co., Ltd. to renew its commitment to manufacturing that is 'gentle to the Earth and to children.' About 50 years ago, it
At the event, the company will exhibit and sell approximately 30 'Chikyu NASA Randoseru' models, which use Temper Foam®, a shock-absorbing material developed for NASA. Families are invited to visit, try on the bags, and examine their comfort, functionality, and colors from various perspectives.
■ Event Details (No reservation required)
Dates: Wednesday, May 27 - Sunday, May 31, 2026
Location: Yamakataya Bunka Hall (Building 2, 6th Floor)
Address: 3-1 Kinsei-cho, Kagoshima City
Phone: 099-227-6111
■ Featured Products
[New] Chikyu NASA Randoseru® COSMOS FILLES
Model No.: KF-N01
Price (incl. tax): 68,000 yen / Price (excl. tax): 74,800 yen (*as in original text)
Gusset Width: 12.5cm
Weight: Approx. 1,010g
Main Material: Clarino F
Colors: Lilac x Pearl Lavender, Pink Beige x Pearl Beige, Carmine
Features: A lightweight model named after the Greek for 'harmonious universe' and the flower language for 'a girl's sincerity.' It features trendy colors with pearl accents and a distinctive gradient cosmos pattern reflection.
[New] Chikyu NASA Randoseru® WWF Model UNICA ANIMA
Model No.: WWF-N05
Price (incl. tax): 81,000 yen / Price (excl. tax): 89,100 yen (*as in original text)
Gusset Width: 12.5cm
Weight: Approx. 1,230g
Main Material: Clarino Aquaduo
Colors: Frosty Gray, Turquoise, Olive Green
Features: A model created out of concern for endangered species. 5% of sales will be donated to WWF Japan's environmental conservation activities.
[New Color] Chikyu NASA Randoseru® YOLO
Model No.: EY-N01
Price (incl. tax): 72,000 yen / Price (excl. tax): 79,200 yen (*as in original text)
Gusset Width: 12.5cm
Weight: Approx. 1,140g
Main Material: Clarino F
Colors: Black x Navy (new), Nail Pink x Antique White, Lilac x Pink Beige, Bordeaux x Khaki
Features: Themed 'You only live once,' this model expresses individuality with bold multi-color designs and a unique asymmetrical flap shape. It includes one YOLO-specific cover.
■ About Chikyu NASA Randoseru®
CHIKYU Co., Ltd.'s 'Chikyu NASA Randoseru®' series uses Temper Foam®, a shock-absorbing material developed by NASA, to reduce the burden on children. By combining long-standing experience and technical skill with the latest technology, and using environmentally friendly materials, the company aims to create randoseru that are 'gentle to the Earth and to children.'
(Website: https://chikyubag.com/lp/)
■ 2027 Randoseru Catalog
Free catalog requests for children entering school in FY2027 are being accepted on the official website.
(Request Form: https://chikyubag.com/catalog/)
■ About CHIKYU Co., Ltd.
Founded in 1922 as 'Chikyu Kaban Seisakusho,' the company has built a reputation for high-quality, conscientious products themed around a 'planet full of life.' In September 2023, the company changed its name from Ikeda Chikyu Co., Ltd. to CHIKYU Co., Ltd. to renew its commitment to manufacturing that is 'gentle to the Earth and to children.' About 50 years ago, it