World tour

One day I would like to do a world robot building tour. (Not any time soon of course if my wife is watching...) I would go to different countries around the world collecting junk, building bots and then have a big international show when I got back. Of course I would want each bot to be at made from at least 90% recycled material from the country it represents. I would also try to bring out the essence of the country in the design of the robot. One day...