Rev up your kids" reading skills with the LeapFrog LeapReader Disney Pixar Cars 3D Book. Kids get to play and learn about words and reading with some of their favorite characters from Carsin 3D! Part of the Learn to Read! Early Reading Series, this LeapFrog Tag book builds kids reading skills by teaching them simple sentences, word sounds and vocabulary. Works with LeapReader and Tag systems (sold separately). Ages 4 to 8.