Repositorio Noticias
Thousands of metal marbles tumble through this wooden contraption by Swedish musician Martin Molin, which is operated with gears to produce different sounds and create tunes.
Molin and his team built the from birch plywood, wire and Lego Technic pieces, and incorporated a range of musical elements.
Spinning a handle on one side turns a rubber band that sets a series of giant cogs into motion.