Marble machines are the coloring books of the appliance world. A weirdly soothing attention vortex, this contrivance asks nothing and offers nothing except the joy of watching gravity pull a sphere ...

Back in 2016, we featured a stunning wooden machine that employed falling steel marbles to play a merry tune. As plans are drawn up for a new version, its builder has looked back to the designs of ...

If you like marble machines, or if you simply like alliteration, prepare to be amazed. [Denha] apparently has had a lot of time to spare over the years, as the marble machine collection he’s amassed ...