in 1990
http://www.artnet.com/Magazine/featu...sky2-22-2a.asp
Calder is one of my favorites... He has a huge body of work. These little mobiles that fit into your hand -- he turned some of them into monuments several stories tall... He started out by building little miniature circus toys.
<img src="http://www.artnet.com/Magazine/features/polsky/Images/polsky2-22-2a.jpg">