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 ...

Which marble run is best? Marble runs are rolling ball sculptures you build yourself. You assemble tracks in all kinds of wild configurations and watch as the marbles roll down hills, around corners ...

It’s great seeing marbles come back in style. You younglings have no clue how fun they can be when used correctly—and crafting elaborate contraptions to fling them around is definitely that. Not all ...