Here are some few points
* Kids upto class 6-7, love tuxpaint, gobby, kturtle, OpenOfficePresenstation-Animations
* Supertux is most favorite game
* During 5 day workshop for kids at NCERT, I observed that Gnome is more user friendly then Windows XP.
* Kids learn very fast. 10 year old children were able to record their Desktop and cutting-joining Videos using Pitivi video editor.
* Some kids was brilliant at kturtle programming. within a hour they were able to produce complex curves and enjoying turtle movements.
* Teaching opensource to kids was a fun for me too.