Explore numbers with Scooby-Doo and the gang on their creepy counting adventures. While following Scooby-Doo's mysterious adventures in this 64-page activity book, preschoolers learn how to count and write numbers. They also learn beginning addition and subtraction and the concept of more and less. The activity book calls attention to the interactive module, which includes an LCD screen and calculator. Children can press the buttons to hear numbers and problems said out loud and solve simple numbers problems.