You see an ad for a Plinko game, just like the one on The Price is
Right, except the numbers are different. They range from 1-60, with two
of each giving an equal chance of hitting each number. The game
operator advertises the game and claims you can win your choice of
plushies. You remember your girlfriend's birthday is coming up so you
decide to try. You pay the fee for one drop and drop the puck into the
top of the board. It tumbles down and hits...