10 Indoor Party Spots with Mega Playgrounds for NJ Kids' Birthdays Submitted by Dore Duhaime on Sun, 11/04/2018 - 9:00am Looking for the perfect party spot for your winter baby? We've rounded up the most action-packed indoor birthday party locations for your cold-weather celebrations. Whether your birthday child wants to jump and bounce, climb, dance, play laser tag, or even take a spin on an amusement ride, New Jersey has a party place for it. Read on for 10 of our favorites. For more party planning ideas, check out our Guide to NJ Kids' Parties, where you'll find everything from top party places for preschoolers to bakeries that make amazing birthday cakes. Read more.