I just finished Rube Goldberg #20! It turned out excellent in my opinion. I've been using mostly the same supplies for about a year now and I decided that today would be a good day to shop for some more materials. Mostly wood or metal ramps etc. Hopefully it will add a whole new feel to my videos.
Update: If you want to see how many times I had to reset RGM #20 my new video shows them all: FAILS