I also have an army of R2-D2s
And there are more of them in other displays, as well as packed away because I am unable to find room to display them.
R2 has always been my favorite character and he is so easy to merchandise. I love it when I run across a new piece that corresponds to me having money (It is annoying how those two have to come together).
This last weekend I was at Denver Comic Con, which I always enjoy. As of late for various reason I have not been picking up pieces too often, so I was not going out of my way to look.
But on my last trip through the dealers room, I stopped to look at a booth selling Japanese merchandise of all manner.
And I found this guy:
It is an R2 on a bottle cap. The bottle cap itself does not have any groves on it, so you just place it over the opening. Not sure how they were distributed, as there is not really a practical way to have them on the bottles at the stores. Would be interesting to look up that info. I have a bunch of them that I picked up years ago with mostly episode 1 characters on them, but this version of R2 is far cooler.
Always a good find when you can pay a couple bucks for a piece that is not easy to find here in the states.
Update: Did some quick research and learned that in Japan the bottle cap figures are sold via gashapon, or what we call gum ball machines here in the states.