Unlike some projects like this that come our way, [Wintergatan] documented the ... If you’ve ever tried to make a marble machine, then you’ll be just as impressed as we were that the machine ...

An curved arrow pointing right. Swedish band Wintergatan and its frontman Martin Molin have created an impressive contraption that uses marbles to make music. Watch to see how it works.

[Martin] of the band [Wintergatan] is on his third quest to build the ultimate musical marble machine, and that means dropping marbles with maximum reliability and precision timing. Working ...