These free indoor places to play in Westchester and the Hudson Valley are a salve for those bad weather days when you don't want to be stuck inside with the kids waiting to hear the dreaded (and inevitable), “I’m bored.” From Scarsdale to Kingston, the region offers a wide variety of fun, free things to do at local museums, malls, marine sanctuaries, and more to keep kids and parents entertained and engaged.

With that in mind, here are the best free indoor places to play in Westchester and the Hudson Valley. Find more free fun in our Guide to Free, Fun Things To Do with Westchester and Hudson Valley Kids.

All across Long Island, there are free play spaces and indoor playgrounds to keep your kids happily occupied–so there's no need to stay home just because cold weather is upon us. From malls to bookstores and libraries, there is plenty of free fun to be had on Long Island for kids.

Enjoy these unique play destinations, but remember that most venues require that a parent/adult is present to supervise children.

For more indoor fun, don't forget to check out our guide to rainy-day activities on Long Island, and discover all the free events and activities near you in our guide to Free Things to Do With Kids on Long Island.

From free zoos to museums, there are tons of fabulously free things to do with kids in NJ – which just goes to show that you don't need to spend a lot of money to have a great day. Read on for 100 free places to take your family in NJ. 

Looking for even more options? Be sure to check out our Guide to Free Fun Things To Do with NJ Kids, too. Note that some venues are run by volunteers, so donations are appreciated.

Fun, free indoor places to play in NYC are always a welcome diversion in our book, particularly when we're staring down another long northeastern winter, and entertaining the kids during this extended, chilly season isn't easy or cheap. We went hunting for free indoor places to play fueled by our desire to escape our cramped New York City apartments.

If your kids—like ours!—are bouncing off the walls and your wallet is screaming for a break after a holiday spending spree, we've got you covered. Check out our list of 27 free indoor places to play in Manhattan, Brooklyn, Queens, and the Bronx for culture, fun, games, or just a much-needed change of scenery.

For more great free indoor places to play, check out our Free in NYC Guide, which is loaded with more ideas, outings, and parent-tested tips to save a buck.