Play inside
Baby Moves
This Greenwich Village center is home to music, language and activity classes aimed at the under-two set. Drop-in sessions scheduled throughout the week include games for different developmental stages and give new parents a welcome opportunity to chitchat. 139 Perry St between Greenwich and Washington Sts (212-255-1685, babymovesnyc.com). $14 per open play session.
Kidville
At Kidville’s four sites, more than 100 classes are available each week for kids up to age five. Newborns can mingle at a Little Maestros music session, while older babies can flex their muscles at an age-appropriate movement class. The Upper West Side branch even has a supervised rooftop playground with space heaters and a canopy for use in poopy weather. Various locations throughout the city; go to kidville.com. $495–$995 per membership.
New York City Explorers
At Brooklyn’s new spot for carefree play, babes who’ve mastered sitting up can toss balls in a mini-pit or join in a parent-child music class inspired by Mozart or Bob Marley. Moms or dads can chill out in the comfy lounge chairs or peruse the racks at the in-house outpost of children’s shop Corduroy Kid. 388 Atlantic Ave between Bond and Hoyt Sts, Boerum Hill Brooklyn (718-625-6923, nycityexplorers.com). $10 day-long family play pass; multiple- session discounts.