Get any size Froster for a mere $1 at all Mac’s Convenience Store locations across Canada until October 14th, 2012. Flavour selection varies by store, but some of the more interesting Froster flavours include Cherry Slime, (available in Western Canada) Fanta Banana, Watermelon, or Blackberry Lemonade, and a selection of Crystal Light flavours are available for the calorie conscious. Also available in Western Canada is the Froster Swirl, a Froster combined with soft serve ice cream.