LeapFrog - Prep For Preschool Math BookHelp friendly frogs Lily and Tad throw a number party for Leap! Build confidence and early math skills by learning to find the right items, name the balloon shapes, and use comparative words to measure the size of gifts. This 12 page reusable touch book features tons of replayable activities. The erasable pen lets children practice writing skills by tracing numbers, drawing shapes, and exploring routes. For help, children can click on the hint button.