SMALL FEATHERS , by alexander calder , 1931 , sculpture, mobile , Kinetic Art style , from SHIFT TO ABSTRACTION: 1930–1936 period , Line
A metal contraption with a white ball on top of it.
A white ball is on top of a metal structure. There is a red ball at the top of the structure. The structure is made of metal and has a triangular base. There are wires connected to the red ball. 