This Machine Has Lost Its Marbles

The astonishing variety of ways to tell the time which have appeared on these pages over the years provides a showcase of the talents and ingenuity of our community. Many clocks use designs we are …

This Kinetic Art Display Uses A Gin Bottle

[David McDaid] likes gin. So in homage to their favourite tipple, a certain brand of Scottish origin, a kinetic art project was brewed. Tabled as a Rube Goldberg machine — it’s not &#82…

Gumball Coaster Is 3D-Printed Candy Fun

Marble runs are fun enough on their own, but what if you could eat the marbles? Gumballs are the satisfying answer to that question. To that end, [Adrian Seeley] whipped up a system for producing g…

Marble Run

A 3D Printed Marble Run Features Neat Elevator Linkage

There’s seldom anything as joyful and relaxing to watch as a simple marble run. Of course, the thing about letting marbles fall under gravity is that you eventually need to lift them back up …

Sisyphean Ball Race Robot Toils Gracefully, Magnetically

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…