Masta Box: The World's First Fidget Controller Gadget by Masta Box — Kickstarter
Mastabox - Home | Facebook
使ってみた!新感覚のフィジェットキューブMasta Box | ライフハッカー[日本版]
Masta Box: The World's First Fidget Controller | Indiegogo
Mastabox - Home | Facebook
Buy MASTA BOX Electronic Fidget Cube, Fidget Controller, Fidget Toys, Electric Figet Compatible with Windows and Mac, Perfect for Adults and Teens Online in Japan. B08KHP57MV