Trials of making an orchestra with instruments made with a marble run, percussion instruments, Lego, and LittleBits.
A Marble Run Glockenspiel has a Marble Gatekeeper, made with a LittleBits motor and a Lego axel and three-prong 'propeller', used to control the run of the marbles. The marble run uses a Cuboro Cugolino Marble Run set. The marbles play a Glockenspiel.
The instrument is inspired by Wintergatan's Marble Machine. More work is planned on adding more parts ot the machine.