The biggest stories of the day delivered to your inbox.

You’ll find them in nearly any department store or gas station: Fidget spinners, fidget cubes, and other devices designed to help you focus. There’s no scientific evidence about whether they work, but ...

First there were the fidget spinners, then the squishies, then the pop toys, then the faux game controllers, bendable this-and-thats and a number of other hand-held items that my kids could manipulate ...