Fidget spinners are taking the country by storm, as the Tamagotchi and yo-yo did before them. Unlike those other examples, spinners aren't necessarily toys, but rather concentration tools for distracted or hyperactive kids. They're being banned from schools all the same. In New York, you can grab one at pretty much any convenience store and twirl to your heart's content. If you can't grab one, we'll, there's an app.