Our Klutz for kids assortment for 3rd and 4th graders has 6 decks of of kwiz cards and one electronic gizmo that has all of the answers. Question decks for 3rd graders includes Challenge, Launch, and Math for 8 & 9 year olds. Question decks for 4th graders includes Launch, Challenge and Math for 9 and 10 year olds. Each deck contains over 350 questions and answers suitable for the age group selected.