New, unused calculation cards. Addition ①, Addition ② Subtraction ①, Subtraction ② A set of 4. They come in a plastic case, so you don't have to worry about the cards bending! Perfect for pre-school preparation, summer vacation review, or for those who have lost their cards! (^o^) (The plastic case is quite noticeable, so it's easy to find even if it gets mixed up with something else!!) No price reduction or individual sales, please. I will carefully package and ship anonymously! There is a possibility that I will use recycled packaging. ☆ Includes 4 types of cards with 212 sheets including 0, bound with a color fancy ring. ☆ Comes in a plastic case ☆ Case size: Approximately 11cm wide x 9.2cm long x 3.5cm high Math set, single item, calculation card, calculation cards, first grade, home study, addition, subtraction, memorization, math set