Elliott, left, and Sam Coffey race marbles on their Space Racer Marble Run. Elliot Coffey races marbles on his Space Racer Marble Run. Elliott, left, and Sam Coffey race marbles on their Space Racer ...

Marble runs are one of the most fun STEM toys available. They consist of a number of different trough-shaped pieces that marbles roll through to end up at the finishing point. They help kids start to ...

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 ...

JK Brickworks, the genius mind behind some of the coolest motorized LEGO statues of all time, has created a LEGO marble run for his latest project. And thanks to its use of a little motorized elevator ...

There are few things that can keep a certain kind of mechanically-inclined mind entranced as well as a marble run, and few structures that look as interestingly organic as procedurally-generated ...