ナショナルジオグラフィックのインスタグラム(natgeo) - 8月7日 08時19分

@Robert Clark Fidget spinners became popular toys in 2017, although similar devices had already been invented as early as 1993. The toy became popular among schoolchildren and consequently some schools banned the spinners for being a distraction, while other schools allowed the toy to be used discreetly.
The toy has been advertised as helping people who have trouble with focusing or fidgeting by relieving nervous energy or psychological stress.
As of May 2017, there is no scientific evidence that they are effective as a treatment for autism or ADHD.

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• Robert Clark