What Will This Pendulum Do When Set Into Motion? [VIDEO]

If you’ve ever played with a desk pendulum, you know they can be on the annoying side. If it’s the type that someone sets into motion, only to leave the balls clacking against each other for the next hour, the sound has the potential to get on one’s nerves. This pendulum is a bit different when it’s put into motion, and moves in ways that are surprising and beautiful. Is this what you would expect them to do?