Wondering what to do with this brand-new baby? Here are hundreds of ideas for using mirrors, blocks, shaving cream--and even your own smile--to keep babies laughing and learning. Whether you're a parent or a caregiver, you'll want to help your baby make the most of those important first 18 months. Peekaboo suggests games that are just right for this stage of development, when young children are intent on exploring and figuring out their world.