VOLLY - Your voice in rolling ball

VOLLY project (Japan)

Category : GENERAL
By VOLLY project (Japan)

VOLLY – Your voice in rolling ball

VOLLY is a brand new “Phigital” ball with motion sensor. When kids record their voices, then shake and roll it, their voices sound different with the sensor.

The word of “Phigital” is a coined word drawing on the terms of Phigical x Digital. We hope that kids also find out how fun it is to move around physically through using digital programs.

The program of using VOLLY called “VOLLY and the Demon's Castle” proceeds according to the video. To get back the world from the demon, kids cooperate with others and realize the importance of communication.

In addition, the other program called “Koro-Koro Electronica” lets kids pick their own course by using blocks. The voice of VOLLY differs according to the course they make.

Kids learn the importance of communication using their voice and sound. They can find the joy of music even when they can’t play an instrument.



After the planning and specification design, 3D modeling data was produced using CAD. Then, we created a silicon mold and product using a 3D printer. In addition, stickers of VOLLY’s face were made using a laser cutter.


Hiroyasu Ito, Ayako Torimoto, Hideaki Watanabe
Creative Director
Shinji Oota
Art Director
Yoji Yoshioka
Technical Director / Engineer
Yuta Uozumi, Ryuji Umeki
Kounosuke Kitta
Yukino Kayahara
Takahiro Kaino
Sound Designer


  • Kyle Li

    Kyle Li

    Kyle Li
    Program Director of BFA Design & Technology at Parsons School of Design

    Simplicity, playfulness, customization, interactivity, storytelling, and collaboration, VOLLY touches upon many important qualities of designing a meaningful and immersive play experience for young children. The video took us through a complete play session from the initial customization to the intensive boss fight. As a fab project, I am interested to be inspired by the technology behind VOLLY as a maker and the mechanics of the boss fight as a storyteller; however, there was very little documentation about them.

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