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 ...

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 ...

I’ve always liked making toys multifunctional. In fact my kids often seem to have more fun making up their own uses for them than they do playing with them in the “official” manner. Take the ...

Building your very own marble run is a great way to learn about physics, energy and emotion in a fun and playful way. Makeway is a next-generation marble run construction system that uses magnets and ...

Aren’t ball races and marble runs fun? Wouldn’t they be so much more enjoyable if you didn’t have to climb back up the ladder each time, as it were, and reset the thing? [Johannes] wrote in to tell us ...