The Next Layer on MSN

Why marble runs are the coolest 3D prints

In this video, I share one of my favorite 3D printed gifts/toys - marble runs. I typically don't 3D print a lot of toys, but ...

I work in a research lab and have kids under 7. These are the science-based gifts that they've enjoyed most over the years.

I'm a mother of 2 who works in a research lab. These are the STEM-based toys my kids have played with the most over the years ...