Ty the T-Rex has hatched in a nest of duck-billed dinosaurs in the Duck, Duck, T-Rex! activity book for LeapStart systems. Read along with the story to see how Ty uses his talent for invention to try and fit in. Tap the pictures and words on every page with the stylus to interact with the story. Discover how stories have a beginning, middle and end, answer questions about the tale and practice memory skills. Many activities are designed with two levels so kids can play and learn at the right pace and move up when they're ready. This book is compatible with all LeapStart interactive learning systems (sold separately). A computer with internet is required to download books onto the LeapStart system. Intended for ages 2-6 years. Batteries not required.