Here's their details and fine print
Offer valid from Monday, December 6, 2010 to Friday, December 10, 2010.
Free $10 Shoppers Drug Mart Coupon with purchase when you spend $50 or more on almost anything in the store.
*Offer valid on the purchase total of eligible products after discounts and redemptions and before taxes. Excludes prescription purchases, products with codeine, tobacco products (where applicable), stamps, passport photos, lottery tickets, event tickets, transit tickets and passes, electronic gift cards, prepaid phone cards and Shoppers Home Health Care locations. Not to be used in conjunction with any other Shoppers Drug Mart promotions or offers. Offer valid Monday, December 6 to Friday, December 10, 2010 only. Coupon will be accepted until December 31, 2010. While quantities last. One coupon per transaction per customer. See cashier for details. ® 911979 Alberta Ltd.