82K views · 997 reactions | The Fidget Backpack™️ Spin your stress away in a whole new way! Just like everyone’s favorite fidget spinner, our new signature backpack rotates right behind your shoulders. Give this bag a good flick and the high speed bearing with provide endless entertainment! Careful as objects may have shifted during your walk.  Watch how I built this invention: https://youtu.be/GLxqKrjb6Bc | Unnecessary Inventions | Facebook