Adding and Subtracting Activity KitThis fun activity kit is the perfect way to help young children learn how to do simple addition and subtraction sums, allowing them to practice repeatedly using the special wipe clean sheets. A brilliant, interactive way to introduce simple additions and subtractions, with fun illustrations to engage young minds. Features: This set has 28 cards. Rounded corners for safety and durability. Gloss laminated. All cards are wipe clean so that children can