Fancier ones can cost over $50.
And now there are Fidget Spinners which if viewed positively give children some much needed respite from worries, fears, anxieties as well as doing what all fad toys do which is to help children to bond.
"I don't think it's a distraction if they are used in the right way". The school says it's too early to tell whether or not the spinners are effective for calming students down.
"Research shows that, if you have ADHD or trouble focusing, sometimes a minor activity can help occupy your brain", said Robin Parks Ennis, Ph.D., assistant professor in the UAB School of Education.
And now while huge toy manufacturers (including Hasbro) are making millions on spinner imitators, Catherine says she's just happy to have designed something that "works" for people.
In fact, many retailers market the devices as a tool to help people focus, and help with controlling things such as PTSD, anxiety and attention deficit hyperactivity disorder.
"They are created to help focus the mind and are believed to be stress relievers". Many teachers say it can also be a major distraction in the classroom.
Atherly, the Jardine principal, said she leaves fidget spinners to teachers' discretion.
If you know a middle school kid, or a parent or teacher of one, chances are you've seen the simple little colorful device that's driving them all insane lately.
Once students have identified their most challenging time of the school day, encourage them to use their fidget spinners during those targeted times only.
At the Rolph Literacy Academy in Wichita, a private school for children with dyslexia and other reading difficulties, several students use hand-held tools or rest their feet on bouncy "fidget bars" to help them focus.
Art Hardin, a teacher at Edyth J. Hayes Middle School, said students asked him if they could make fidget spinners. Cabbage Patch Kids (25 - equivalent to about 60 today) hit it big in 1983 when frustrated, holiday present-buying adults competed for the limited supply of dolls in stores.
A spokesman for Dundee City Council said: "The school has taken a decision and this has been communicated to parents and families".
Another concerned parent, who preferred to remain anonymous, believed that parents must keep watch on their children playing all kinds of games, not just the Fidget Spinner.
Has your child got one yet? Her work revealed that students with ADHD performed better on a computerized attention test the more intensely they fidgeted.
"We need to study them to find if they make a difference and for whom", Schweitzer said.style="text-align: center;"