**NO PURCHASE NECESSARY. Visit www.pharmaprix.ca/halloweencontest or in-store for full contest details and information on how to enter without a purchase. One (1) prize available to be awarded nationally at the end of the contest period consisting of $1000 in Pharmaprix® or Shoppers Drug Mart® gift cards depending on location of residence of winner. Approximate retail value of prize is $1000. Odds of winning depend on the number of eligible entries received. Correct answer to skill testing question required to be declared a winner. Must be a Canadian resident and age of majority or older in province or territory of residence and a member of the Pharmaprix Optimum Program® to enter. Valid Pharmaprix Optimum Card® required to participate. Contest begins September 17, 2016 and ends October 31, 2016.