Can you help Bob the Builder save the Hedgehogs on his latest adventure? Teaches story comprehension, letter sounds, rhyming and vocabulary.These interactive talking flip books create an engaging and educational experience for pre-schoolers. Books clip onto My First LeapPad Learning System which is a great electronic learning system for your child, and engages them with fun interactive activities and games.For use with the LeapFrog My First LeapPad Learning System (sold separately)