At a recent auction in Los Angeles an R2-D2 unit sold for nearly $3 million. The 43-inch unit is reportedly comprised of screen-used parts from several Star Wars films, indulging the 1977 original and the 2002 Attack of the Clones.Auction house Profiles in History noted in its auction catalog that while R2-D2 looks the part, it has "no internal mechanics or workings." Profiles in History claims that it is the only complete unit available to the public.