TIL that despite early claims that fidget spinners could be used to help children with ADHD, there never was any scientific research to back this claim. : r/todayilearned
Fidget spinner - Wikipedia
Fidget spinner became popular toy in 2017 (eventually: 1993), Wikipedia says. : r/funny
DIY Fidget Spinner - Kids Activities Blog
File:Mixed Material fidget spinner.jpg - Wikimedia Commons
Fidget Spinner - Chrome Edition
How the fidget spinner origin story spun out of control