AGO Q&A revel1〜3 You can play with the same rules as UNO. On the back of the Japanese rule explanation sheet, there is a serial number that allows you to install the set purchase bonus app for free. The outer box has small scratches. The inner bulges and glue marks are present from the time of purchase. The inside of each card box has glue marks as shown in the photos for all three boxes. The tears and scratches on each card box are as shown in the photos. Not all card scratches are shown, but there are a few cards with small peeling, scratches, and stains; please refer to the photos. All cards are present. I purchased this used and stored it at home. I played it with my child a few times, but I think there are no problems with use. Please consider this, understanding that it is a used item. A Q&A card game perfect for English learning with 3 levels - Product Name: AGO Q&A Card Game - Levels: 3 level set (Aqua, Green, Orange) - Contents: Over 100 questions and answers, 17 action cards - Accessories: Instruction manual and support information - App Support: AGO Q&A App (2nd Edition)