Prepare a list before hand of several items found in the mall. Make it a variety such as a 1 carat diamond ring and a Hershey’s chocolate bar. Have 10-15 different items. Break up into teams of 3-4 and give each team a copy of the list. They are then given 30 minutes to find all the items on the list for the cheapest price. Have them record the price and store for each item and meet back in the food court to compare notes. The team that spends the least for all items is the winner.