Discount available until the 30th. Thank you for viewing. The product is a set of 118 cards. A card set for learning the symbols of chemical elements. - Contents: Element symbol cards - Quantity: 118 cards - Language: Japanese and English - Size: Business card size - Category: Chemical elements The front side has the element symbol and atomic number printed on it. The back side has the Japanese name, English name, and classification. If you memorize them, they will be useful for university entrance exams. They are laminated, so they are resistant to dirt and can be practiced repeatedly. The card size is approximately 60 x 95mm. The card ring may differ from the one in the image. Please understand. If you leave the shipping method to us, shipping is free.