At a large convention like Fedcon you are likely to find a lot of people having built models (sometimes full size) of science fiction icons.
R2D2 rolling around among participants of Fedcon
It is quite amazing how much attention to detail there is. The guy with the remote control told me that he built the whole thing – except for the dome that was machine made. Well done !
The other thing found rolling around was a Dalek from Doctor Who :
