Experts poke holes in marketing claims about fidget spinners

Teachers' worst nightmare.Image: Drew Angerer/Getty Images Fidget spinners are a fun, relaxing fount of mindless entertainment. But are they really more than a cheap toy? Some experts say no. Despite marketing claims, there’s no research that shows the wildly popular spinners are therapeutic tools for people with anxiety, autism, or attention deficit hyperactivity disorder (ADHD).…