# Gamified Writing Devices The Otona no Yaruki Pen Visually Motivates Studious Adults By Laura McQuarrie | Published 2025-10-15 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/otona-no-yaruki-pen References: [mainichi.jp](https://mainichi.jp/english/articles/20250324/p2a/00m/0bu/018000c) & [kokuyo-st.co.jp](https://www.kokuyo-st.co.jp/en/stationery/otonayarukipen/)  Japanese stationery company [Kokuyo](https://www.trendhunter.com/trends/villa-fontaine-haneda-airport) created the Otona Yaruki Pen—the "Adult Motivation Pen"—as an IOT device that clips onto writing instruments and provides a visual representation of what they've already accomplished, ultimately supporting adult learners preparing for qualification exams. Thanks to internal sensors, the Otona Yaruki Pen changes color after prolonged writing sessions, and once connected to the companion app, the device lets users advance in a [virtual board game](https://www.trendhunter.com/trends/deepterm). This all-new device builds on the success of the Shukudai Yaruki Pen (Homework Motivation Pen) released for kids in 2019. As part of a crowdfunding campaign on [Makuake](https://www.trendhunter.com/trends/heatresistant-watch), the Otona Yaruki Pen far exceeded its initial target of 500,000 yen (about $3,340) to reach 34.55 million yen (roughly $230,800,) indicating strong interest from goal-oriented adults. ## Trend Insights (Trend Hunter) - Score: 3.9/10 - Popularity: 29% | Activity: 37% | Freshness: 51% - Audience gender: 50% men, 50% women - Primary generations: Millennial - Top markets: Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) > [Gadgets](https://www.trendhunter.com/gadgets) ## Key Themes ### What's Driving This Trend - **Gamification of Adult Learning:** Integrating game-like elements into adult education tools, such as the Otona Yaruki Pen, creates engaging environments that enhance motivation and retention in learners. - **Connected Stationery Devices:** IoT-enabled stationery like the Otona Yaruki Pen makes traditional study tools interactive and trackable, providing a novel way for users to visualize progress. - **Crowdfunding for Niche Innovations:** The successful crowdfunding of the Otona Yaruki Pen reveals a substantial market interest in unique educational aids, showing potential for niche products to reach wider audiences through community investment. ### Who This Affects Most - **Educational Technology (edtech):** Advancements in EdTech are incorporating IoT and gamification features into tools, offering dynamic learning experiences that cater to adult education needs. - **Stationery and Office Supplies:** The introduction of smart stationery products like the Otona Yaruki Pen exemplifies how traditional writing instruments are being reinvented with modern technology. - **Crowdfunding Platforms:** Platforms like Makuake provide a launching pad for innovative products, highlighting how niche educational tools can gain traction and financial backing from interested consumers. ## Related on Trend Hunter - [Reading Reward Devices](https://www.trendhunter.com/trends/yomi.md) - [Metronome Writing Pens](https://www.trendhunter.com/trends/swing-scribe.md) - [Mindful Writing Ritual Pens](https://www.trendhunter.com/trends/qui-magnetic-pencil-system.md) - [Wellness-Focused Stationery Brands](https://www.trendhunter.com/trends/affirmation-gel-pens.md) - [Captivating Stylus Pens](https://www.trendhunter.com/trends/quill.md) - [Dental Instrument-Inspired Pens](https://www.trendhunter.com/trends/handwriting-tool.md) - [At-Home Classroom Gadgets](https://www.trendhunter.com/trends/berrylikejumbo.md) - [AI-Fuelled Ballpoint Pens](https://www.trendhunter.com/trends/xnote.md) - [Breakable Magnetic Fidget Pens](https://www.trendhunter.com/trends/mezmopen.md)