Technic Brick service pack

Hello
I would like to see a Lego brick service pack. I think that these are essential parts of technic and there are few sets of them in new technic. Slowly become a part of the difficult and expensive. I think that one could do some serwice packs of different colors bricków technic. I also think that many people are missing these parts because, unfortunately, today's sets are made only from liftramów. They also believe that it would be another handy service packs from, for example, gears, pins, liftramami, etc ...