Cool Books For City Kids.

The 123 board books from Duopress are a fun way to introduce babies and toddlers to the landmarks of their hometowns. So far they've got editions for NYC, Chicago, and San Francisco—plus California, Texas, and the USA. Next up: Philad…

Mommy & Me Yoga will be a bit more fun (for them, anyway) if they get to bring their own mats. Select a graphic (butterfly, skull-and-crossbones, peace sign, etc.), choose a thread color, and personalize with your child's name. $56 ea…