Wintergatan's #Marble #Conveyer #Belt musical marble machine - The Kids Should See This | iPads, MakerEd and More  in Education | Scoop.it
Steel marbles, levers, gears, a maze of tracks and tubes, and so much more: This mesmerizing video captures a demonstration of the Marble Conveyer Belt, a new marble music machine from the engineering and innovation-focused Swedish folktronica band Wintergatan. Band member and inventor Martin Molin is at the crank. Via Wikipedia:

Ten months after the debut of the original Marble Machine, the band disassembled it and announced their plans to make a new marble machine for the purpose of touring. The new machine, to be called “Marble Machine X“, would solve a multitude of mechanical functionality problems with the original marble machine.