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 ...

As far as marble runs go, few can hope to compete with [Wintergatan]’s amazing musical works. While undertaking the build of the Marble Machine X, timing problems became apparent. You can crank the ...

While this is authentic footage of a genuine product, the "perpetual" marble machine does not operate infinitely without an additional energy source. Rather, it uses batteries and a magnet to create ...