These bright and colourful School Zone Subtraction 0-12 Flash Cards are the perfect introduction for your young child to learn subtraction. This pack contains 53 double sided full colour cards, 1 answer card, and 2 parent cards with details on the fun and interactive use of these cards. These bright and colourful School Zone Subtraction 0-12 Flash Cards are the perfect introduction for your young child to learn subtraction. This pack contains 53 double sided full colour cards, 1 answer card, and 2 parent cards with details on the fun and interactive use of these cards. What's in the box 1 x Subtraction 0-12 Flash Cards