Cluster of Four Cubes is a 1992 kinetic stainless steel sculpture by George Rickey, installed at the National Gallery of Art Sculpture Garden in Washington, D.C., United States.
There is also a sculpture installed at St. Lawrence University in Canton, New York.
Wikipedia https://en.wikipedia.org/wiki/Cluster_of_Four_Cubes
Address 38 9th St NW, Washington 20004, United States
Coordinates 38°53'27.163" N -77°1'24.284" E
