Across the Internet, people are discovering a new and deviously simple device that helps those with attention disorders (or really anybody that likes to keep their hands busy when doing work or trying to focus).

gif via Erawkz

Known as "Hand Spinners" or "Fidget Spinners", they're becoming incredibly popular and even have their own trending subreddit dedicated to them.

gif via Radi0raheem

They're available in a stunning array of designs, colors, and materials but their core principle is all the same

gif via BakGikHung

A balanced weighted mass rotates around a low friction ball bearing, sustaining the spinning motion after a good sturdy flick of the finger

image via kratomleaf

They come at time when more old school adult fidgeting classics like zippo lighters and pocket knives are a little too dangerous for casual public use

gif via Erawkz

In a world of flimsy plastic and disposable cardboard it's gotta feel nice to play with a chunk of precision-machined metal

gif via ooopepper

Though it doesn't have to be too fancy, many people are making their own using available skills and resources

homemade hand spinner
image via sirSQWAB

Some creations are more... improvised than others

zip tie hand spinner
via InsomniacAlways

The one thing we know for sure is I've never gone from "didn't know that was a thing" to "holy crap I WANT ONE" so quickly in my entire life

gif via Erawkz