When we were talking about robot missions yesterday, several kids thought the pneumatics were the best solution. Even for a European product, it is some of the most expensive plastic I have seen outside the human body.
It will arrive around Tuesday, Oct 14th so you can start incorporating it into your designs. When our as-yet-unnamed robot square up to the net on November 22 I just hope what we all hear out the judges mouths is: http://www.youtube.com/watch?v=UioCvLN-370