About Co Create ;)
This video is some crazzy ! Of course not in the free version ;)
http://www.youtube.com/watch?v=XHOnhB3bPjI&feature=player_embedded

http://www.ptc.com/products/creo-elements-direct/modeling-express/ free version
Here that you can make with the free version
video http://www.youtube.com/watch?v=CmLwE104qn0 ;)