Exchange scares up chance at $3,000 in winnings in Halloween Published Sept. 30, 2013 By Chris Ward Army & Air Force Exchange Service Public Affairs EDWARDS AIR FORCE BASE, Calif. -- The Army & Air Force Exchange Service is forgoing the tricks and going right for the treats in its latest contest as it gives away four $500 and ten $100 Exchange gift cards. The "Halloween Mystery of the Shadows Sweepstakes will send Exchange patrons on a frightfully fun scavenger hunt throughout the store. Using a treasure map featured online at www.shopmyexchange.com/partriotfamily or from the store, shoppers can use the map to hunt for clues in the Exchange. After collecting all five clues, treasure hunters can go to the Exchange's Facebook page to enter. "The Exchange is ready for a ghoulishly good time," said the Exchange's Senior Enlisted Adviser Chief Master Sgt. Tony Pearson. "In addition to the sweepstakes, the Exchange is stocked with all the Halloween essentials. From costumes to candy, we've got all the ghosts and goblins covered." The contest begins on Oct. 4 and ends at the stroke of midnight on Oct. 31. No purchase is necessary to enter.