[kida] has a highly innovative set of 3D-printable, musical fidget toys that play classic video game tunes. Of course there’s the classic Super Mario ditty, but there’s loads more. How they work is ...

You’ve seen fidget spinners, although you probably hadn’t just a year ago. You woke up one recent day, backpack stuffed with pogs, only to walk outside and see that the times have passed you by again.

When Allan Maman, a 17-year-old senior at Byram Hills High School in Armonk, New York, asked to stay after school and use the school's 3-D printer, his physics teacher was thrilled. The teacher would ...