Lot of the above, also Qtips for cleaning around the feeddogs (after taking off throat plate) and behind bobbin
Also wooden pancake spatula to help "stick" the blocks to my design wall - I'm short and can't reach the upper part without help. My design wall is a large Warm and Natural batting thumbtacked onto the wall.
I also saw a blog recently (whose?) where she used a toilet brush (new of course!) to clean the threads off her desugn wall. I want to try that