Thank you for viewing! This is an educational card set for learning how to tell time. - Product Name: Educational Card: Clock - Target Age: Preschoolers - Illustrations: Masahiro Mahabarama - Contents: Educational cards related to clocks - Number of Cards: 6 - Size: Approximately 6 x 9 cm There are traces of writing erased on the back of the box, but there are no issues with the cards inside. Please note: I do not want to force any transactions. Please understand that this is a used item and agree to the terms before making a purchase. No returns/No claims.