Alexander Calder quotes
In the Spring of 1926 I made some toy animals of curtain rods, broom handles, etc., and wire. Later, a few dolls, which I animated.... In the Winter of 1927–1928 I made some more toys for a friend to take home as gifts, and having shown them to De Creeft a Spanish sculptor with a very acute sense of humor, I was urged by him to make some more toys and to expose them at the Salon des Humoristes. I did this and then began to make more elaborate toys, with articulation, in which the movements got more and more realistic, always adhering to the same basic materials. In this way I have developed quite an elaborate circus of which animation is one of the chief characteristics....
Alexander Calder