These look like the same with the other sculptures, it has not something special, but when turning them on themselves to a specific speed and using a stroboscope, they would stoning your eyes and try to find how can they come to life.
Designed by John Edmark which made by 3D printing, Designed to animate when they rotate about an exact angle of 137.5 °. It’s the golden angel for the human eyes to see the best movements.
