The anticipation for spring has begun, but we still have a few more weeks of those long, cold winter days. Looking for something to keep the children occupied? Indoor play areas and classes are the perfect solution for keeping kids active and entertained during the winter months. Hunterdon County offers many warm spaces that provide a safe and inviting environment for children to climb, jump, slide and explore, no matter how cold it is outside. From gymnastics classes to yoga and interactive play centers, we’ve rounded up plenty of options to help kids burn off energy when it’s tough to get outside.

Nex Level Ninja Gym

 2024 Happening List Winner: Children’s Play Center or Gym 

426 Case Blvd, Flemington, NJ
(908) 432-0783

Nex Level Ninja Gym offers open gym sessions, ninja classes, advanced classes, homeschool classes and so much more.

Chirp Workshop

 2024 Happening List Finalist: Children’s Play Center or Gym 

160 Main St, Flemington, NJ
(908) 507-6726

Chirp Workshop hosts a variety of activities, classes and workshops for children and adults. Events and activities include soft and sensory play, craft workshops and more.

Bounce City

 2024 Happening List Finalist: Children’s Play Center or Gym 

176 US-202, Ringoes, NJ
(908) 777-0080

Bounce City is the perfect place to play! They offer open play sessions for children to come and play, bounce, and more.

Gravity Vault

17A Minneakoning Rd, Flemington, NJ
(908) 237-3249

Gravity Vault offers 17,500 square feet of climbing, 70 rope stations, including a 40 foot high lead wall, 5,800 square feet of bouldering with a top out area, and so much more. They offer kids’ classes for ages 5+.

Shields Gymnastics

17 Minneakoning Rd, Flemington, NJ
(908) 782-1777

Shields Gymnastics offers a 18,000 square foot facility, teaching preschool classes for children to develop strength, flexibility, body awareness, self control and confidence. Students work on all Olympic apparatus and learn a wide range of other physical education skills by way of hoops, balls, jump ropes, parachute play, obstacle courses and trampoline.

The PlayAGAIN Studio

19 Bridge Street, Stockton, NJ
(917) 273-7551

PlayAGAIN supports every child’s sense of wonder and building development. They offer a variety of play classes in a welcoming space.