http://www.glimmericks.com/fabric-collections.html for an organized list of my collections.
You can never have enough parts on hand. Of course when you look through them you may find they are all right hands, or the tubes are outdated, the eyes the wrong color, or the gears the wrong size. Make it work! The Three Laws and the Zeroeth Law by Isaac Asimov would be prominently displayed on any reputable robot repair depot.