My daughter the 2nd grader HAS to have one. My wife the 4th grade teacher says they are the bane of her classroom!  I see a showdown coming.

Fidget spinners are mostly plastic toys designed to fight stress, but they're now dominating the best-selling toys list on Amazon.

They design and concept is simple so it’s hard to imagine this kind of variety but Buzzfeed reports that of the top 100 toys on Amazon, 80 are fidget spinners.

Survey says the most popular spinner is a shiny gold design, though though they come in a wide variety of colors. (Buzzfeed)