The back of the outer box in the second photo has a stain, likely from a rubber band. The cards inside seem to be in good condition. My child, who used to play with these, is now in high school and no longer uses them, so I'm selling them. The content is suitable for elementary school students and older. This is a karuta game that teaches you about four-character idioms in a fun way. - Title: Chibi Maruko-chan's Four-Character Idiom Karuta - Publisher: Toei Company - Price: 1200 yen - Contents: Karuta for learning four-character idioms - Characters: Chibi Maruko-chan Thank you for looking.