Have kids and teens build a collection of cards for characters from their favorite book, landmarks in their favorite city, events from a period in history they find interesting, or vocabulary words by school subject. Cards come with a set of questions to guide students responses and to help them focus on the aspects that matters most to their descriptive narrative. Part of the appeal of trading cards is being able to sort them into collections. Learn more. Trading Card tool provides card templates which students can use to describe characters, places, abstract topics, events, and objects. Size If you have ideas for educational uses for this app in school or at home, please Contact Us.