Includes 15 interactive dinosaur playing cards that teach about dinosaur diets and defenses. Teaches dinosaur facts science skills and fossils. Manufacturered by LeapFrog. Ages 5-8 years. Works only with Tag Reading System and LeapReader Reading & Writing System (sold separately). Explore the prehistoric world and help Leap and Professor Quigley reunite an adorable dinosaur with her family in this interactive LeapReader book.