Blue Puzzle Piece

Recently I found myself at parent-child program anxiously waiting to hear if my 8 year old was going to win one of the many great prizes that was being raffled off. One of the prizes was 1000-piece puzzle that depicted a map of the entire world (probably a better prize for one of the older participants). I found myself thinking, what happens if she wins and we try to build this puzzle? What are the chances that we will not lose even one piece? I can just imagine being almost done the puzzle and one blue