Watch the virtual mobile change and grow as you add branches, shapes, and colors. Adjust the orbit speed and make the pieces spin. See how the mobile casts shadows on the wall, then change your point of view and watch it create spirographic patterns as it moves through space.
National Gallery of Art NGA Kids a great site for all ages! Watch a Flash video showing one of Calder's mobiles and it's shadows.
Alexander Calder, Cascading Flowere 1949 painted metal, painted wire, and wire 221 x 243.8cm (87"x96")