Keeping score in the war production drive. 1) The old shell game, with a new twist! At any rate, Adolf is in the middle. The above target with its fascinating bulls-eye is one of the suggested factory "scoreboards" devised by the War Production Board (WPB) to stimulate and inform workers who are in an allout to beat Hitler. The shells, or darts, are moved fractionally inward toward the target's center as the plant draws nearer to its production goal