A DESK TOY THAT KEEPS ITS OWN TIME
Pendulum Plank.
A moving paddle gives each pendulum a push. Different string lengths keep different time: sweep the row, let go, and watch a wave gather, unravel, and find its way back.
Preparing Pendulum Plank…
A moving paddle gives each pendulum a push. Different string lengths keep different time: sweep the row, let go, and watch a wave gather, unravel, and find its way back.