If you were particularly good at playing Mouse Trap as a child, marble runs might be for you. But instead of trapping a fake mouse, industrious marble fanatics construct elaborate mazes to send ...

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 ...

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 ...