New, unused calculation cards. The cards inside are in a plastic bag, so I will open them to introduce them. Please understand. Although unused, these items have been stored at home. Please check the photos and consider purchasing if you understand. 1st Grade Calculation Cards ※ 4 types of cards: addition with carrying, subtraction with borrowing ※ Uses 4-color metal rings ※ Comes in a soft case Thank you for viewing.