This is a calculation card set from a Kobo no Sansu set. Addition (1) 54 cards Subtraction (1) 53 cards Addition (2) 36 cards Subtraction (2) 36 cards Includes storage case This item was used by a child. There are marks where the name sticker was removed from the cover. Please be sure to check the photos. Please understand that this is a used item before purchasing. *Please note that the case will be opened for packaging and sent via post!