LeapFrog LeapPad Ultra eBook: SpongeBob SquarePants Best Day Ever! (works with all LeapPad tablets) Make it the Best Day Ever with SpongeBob while boosting reading comprehension, phonics and vocabulary skills Features three auto-adjusting reading levels, plus a visual dictionary and six activities to reinforce the learning Teaches phonics, vocabulary skills, listening and reading comprehension and word recogntion skills Ages 5-8 years Works with all LeapPad learning tablets (sold separately); not with LeapsterGS and Leapster Explorer; Internet connection may be required for cartridge