The cards are unused, only separated from the sheet. The cards were held together with a rubber band, so there may be some residue from the deteriorated rubber band on the cards. How about using them for your child's English education? A set of cards and a guidebook for creating sentences. - Set Contents: Sentence-building card set - Guidebook: Guidebook for creating sentences - Release Date: April 20, 2001 Thank you for looking.