Calculation cards (calculation cards) are sold individually. Calculation cards (4 bundles) ・Addition: No carrying over ・Addition: With carrying over ・Subtraction: No borrowing ・Subtraction: With borrowing Although it is a new and unused item, it has been opened once for photography. We take great care in handling the products, but we would appreciate your understanding of home storage. Toy genre...Educational toys/Learning toys Gender...Unisex