Swedish band Wintergatan may be widely known for its Marble Machine music video (which featured a machine dropping marbles to play drums, a bass, and other instruments), but today I learned that ...

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 ...

Pincho balls are circulated like a Pythagora switch by combining wooden handwheel handles, gears, rails, etc. with drums, vibratophones and bases, turning the handwheel handle, and when the pachinko ...