Metronome flasher

Here is a circuit Edwin built this morning.  It's not complicated, but it is clever...

He figured out that the metal mechanical parts of the metronome are all in contact with one another.  He attached a wire to the winding knob, which was therefore attached to the pendulum.  By aligning the pendulum carefully with a snap circuits wire, the metronome intermittently completes the circuit.

Here is a video of it in action!