Rubik’s Cubes are old news. Kids today are obsessed with fidget spinners, the pocket-sized toys that spin around continuously once you give the blade a flick. Fidget spinners are so addicting that ...

If you have a child in grade school, you probably have heard of the fidget spinner. In fact, even if you don't have a child, you might have one yourself. It is the hand-held toy that is supposed to ...