[Reservations Open] Colors Change with Transparent Stickers! Gakken's New Sensory Educational Toy 'Clear Sticker Puzzle' to be Released in July
Gakken Inc., a group company of Gakken Holdings Co., Ltd., announced on May 11, 2026, the start of pre-orders for 'Clear Sticker Puzzle: Layering Transparent Stickers to Change Colors and Boost Your Brain!' (scheduled for release on July 9, 2026). This new sensory educational puzzle is attracting attention as a new way for parents and children to enjoy learning during the summer holidays.
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- 📰 Published: May 11, 2026 at 20:00
- 🔍 Collected: May 11, 2026 at 11:31
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Gakken Inc. (Shinagawa, Tokyo / Representative Director and President: Tatsuya Nanjo), a group company of Gakken Holdings Co., Ltd. (Shinagawa, Tokyo / Representative Director and President: Hiroaki Miyahara), began pre-sales on May 11, 2026, for 'Boost Your Brain! Clear Sticker Puzzle: Layering Transparent Stickers to Change Colors!' (scheduled for release on July 9, 2026).
■ New Educational Puzzle Drawing Attention for Summer Holidays
'Looking for new educational activities for parents and children to enjoy during summer vacation?'
'Want teaching materials that naturally foster an appreciation for colors and art?'
In response to such demands, Gakken introduces a new sensory sticker puzzle.
■ 'Color Mixing Art' Enjoyed by Layering Transparent Stickers
The biggest feature of this book is the ability to enjoy color changes by layering transparent stickers.
Each time multiple stickers are layered, the colors change, and the process of completion itself leads to 'learning' and 'discovery'!
▲Complex color tones emerge depending on the layered colors and patterns...
■ 5 Key Points to Know Before Reserving
・Enjoyable color changes with transparent stickers
・Create 11 works with 858 stickers
・Create your unique work by choosing colors
・Even if slightly misaligned, it still looks beautiful, so no worries
・Designed for ages 4 to adult
[Product Overview]
■ 'Boost Your Brain! Clear Sticker Puzzle: Layering Transparent Stickers to Change Colors!'
Price: 1,760 yen (tax included)
Scheduled Release Date: July 9, 2026
Format: 230 x 230 mm, 48 pages
ISBN: 978-4-05-206272-8
Digital Version: None
Publisher: Gakken Inc.
Gakken Publishing Website: https://hon.gakken.jp/book/1020627200
[Click here to reserve/purchase this book]
・Amazon: https://www.amazon.co.jp/dp/4052062728/
・Rakuten Books: https://books.rakuten.co.jp/rb/18626040/
■ Gakken Inc.
https://www.corp-gakken.co.jp/
・Representative Director and President: Tatsuya Nanjo
・Date of Corporate Establishment: January 13, 2009 (Trade name changed on October 1, 2022)
・Capital: 50 million yen
・Location: 2-11-8 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-8416
・Business Activities: Publishing and content business, global business, medical and nursing publishing content business, kindergarten and school business, classroom-related business, EC and online business, advertising business.
■ GAKKEN HOLDINGS CO., LTD.
https://www.gakken.co.jp/
・Representative Director and President: Hiroaki Miyahara
・Date of Corporate Establishment: March 31, 1947
・Capital: 19,817 million yen
・Sales: 199.1 billion yen, Consolidated subsidiaries: 82 companies (as of September 2025)
・Listed on Tokyo Stock Exchange Prime Market (Securities Code: 9470)
・Location: 2-11-8 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-8510
・Phone Number: 03-6431-1001 (main)
・Business Activities: A holding company founded in 1946, engaged in education and medical welfare-related businesses.
・Education Sector: Classroom and cram school businesses including 'Gakken Classrooms,' publishing and content businesses for educational materials, kindergarten and school businesses for textbooks and childcare supplies, etc.
・Medical Welfare Sector: Service-provided senior housing business, dementia group home business, childcare support businesses such as nurseries and after-school care, etc.
・Global: Activities and business development in over 150 countries.
■ New Educational Puzzle Drawing Attention for Summer Holidays
'Looking for new educational activities for parents and children to enjoy during summer vacation?'
'Want teaching materials that naturally foster an appreciation for colors and art?'
In response to such demands, Gakken introduces a new sensory sticker puzzle.
■ 'Color Mixing Art' Enjoyed by Layering Transparent Stickers
The biggest feature of this book is the ability to enjoy color changes by layering transparent stickers.
Each time multiple stickers are layered, the colors change, and the process of completion itself leads to 'learning' and 'discovery'!
▲Complex color tones emerge depending on the layered colors and patterns...
■ 5 Key Points to Know Before Reserving
・Enjoyable color changes with transparent stickers
・Create 11 works with 858 stickers
・Create your unique work by choosing colors
・Even if slightly misaligned, it still looks beautiful, so no worries
・Designed for ages 4 to adult
[Product Overview]
■ 'Boost Your Brain! Clear Sticker Puzzle: Layering Transparent Stickers to Change Colors!'
Price: 1,760 yen (tax included)
Scheduled Release Date: July 9, 2026
Format: 230 x 230 mm, 48 pages
ISBN: 978-4-05-206272-8
Digital Version: None
Publisher: Gakken Inc.
Gakken Publishing Website: https://hon.gakken.jp/book/1020627200
[Click here to reserve/purchase this book]
・Amazon: https://www.amazon.co.jp/dp/4052062728/
・Rakuten Books: https://books.rakuten.co.jp/rb/18626040/
■ Gakken Inc.
https://www.corp-gakken.co.jp/
・Representative Director and President: Tatsuya Nanjo
・Date of Corporate Establishment: January 13, 2009 (Trade name changed on October 1, 2022)
・Capital: 50 million yen
・Location: 2-11-8 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-8416
・Business Activities: Publishing and content business, global business, medical and nursing publishing content business, kindergarten and school business, classroom-related business, EC and online business, advertising business.
■ GAKKEN HOLDINGS CO., LTD.
https://www.gakken.co.jp/
・Representative Director and President: Hiroaki Miyahara
・Date of Corporate Establishment: March 31, 1947
・Capital: 19,817 million yen
・Sales: 199.1 billion yen, Consolidated subsidiaries: 82 companies (as of September 2025)
・Listed on Tokyo Stock Exchange Prime Market (Securities Code: 9470)
・Location: 2-11-8 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-8510
・Phone Number: 03-6431-1001 (main)
・Business Activities: A holding company founded in 1946, engaged in education and medical welfare-related businesses.
・Education Sector: Classroom and cram school businesses including 'Gakken Classrooms,' publishing and content businesses for educational materials, kindergarten and school businesses for textbooks and childcare supplies, etc.
・Medical Welfare Sector: Service-provided senior housing business, dementia group home business, childcare support businesses such as nurseries and after-school care, etc.
・Global: Activities and business development in over 150 countries.