Researching how i make a moble that moves

Alexander Calder Moving mobiles
http://www.youtube.com/watch?v=jDPapM4JLck
Alexander Calder has created a mobile that moves by kinetic energy. Its momentum is fueled by air currents which can be seen in the video below. I choose this piece of work to learn how to make a mobile move as well as to learn how to attach the pieces of the mobile together.

Alexander Calder's Mobile at Albringt Knox, Buffalo, New York
http://www.youtube.com/watch?feature=endscreen&v=bd2FU6WtoOc&NR=1
Even thou it is still Alexander Calder in this video there is a better visual to see whats going on. To me it describes what i want to say 'an object moves a space must change' in that as people move in and around the installation piece they move the air which moves the mobile, or displaces the air in the space.

Rain Drops Kinetic Mobile Sculpture Mobile Art by Carolyn Weir of Skysetter Designs
http://www.youtube.com/watch?v=YZOvkU2-95A
like the design and how it is attached

Origami Hanging Mobiles with Red & White Paper Cranes
http://www.youtube.com/watch?NR=1&v=n_Ntfp-IgR8&feature=endscreen
interesting how it is hung, doesn't move though.

Brewitz Kinetic Sculpture
http://www.youtube.com/watch?v=ngUXVnwOHXQ
Large Kinetic sclpture. just what im looking for. have no idea thou how to make. Will start small and experiment with weight and balance.