It's a german TV feature on the design and production of the 2008 Bionicle sets from start to finish, including the reaction of the kids that test it.
Get a unique look at the Prototypes.
And to wrap this awesome short entry up: My favourite statement has to be the little boy that says "Before the only had sword, and now there is weapons that can fire...like pumpguns. Bang Bang, you know!"
Explains a lot if you ask me.