The Needle in the Haystack Game

A traveler in the countryside notices a kid playing in a haystack, while the farmer piles on ever more hay.

"Having fun?" inquires the bemused traveler.

"Yes," replies the farmer. "This is my boy. He's looking for a needle in the haystack."

"How come you are still piling on more hay?" asks the traveler.

"Because if he finds the needle, the game is over."