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Happy Birthday

Have your party at MSGA!

With over 130 parties and special events this past year, we are excited to include some new additions, including more time in the gym!  Whether a birthday party or special event, MSGA would love to make that special day a little more memorable.

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The Ultimate Party Package!


All parties will enjoy the first hour in our gym, with it all to themselves and the last half-hour in our party room for any food and drink you provide!


Your child and his/her friends will enjoy games, activities, obstacles courses, and gym play in our 6,000 sq/ft facility with colorful foam pit and trampoline, tumble track, bars and more! 

Why have your party at MSGA?
  • You'll have the gym completely to yourselves.

  • Every square inch of MSGA was designed with safety & fun in mind.

  • We do 100% of the set up, cleanup

  • We plan the party activities and facilitate all of the activities so you can sit back and enjoy your kiddo's birthday

  • We'll accommodate the birthday boy or girl's wishes, so long as it is safe and fun!

Amp up the fun with an add-on!
  • Choose between one of our bouncy houses

  • Design apparel for the birthday boy or girl

  • Party favors (COMING SOON!)

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When are parties offered?


School Year Offerings

  • Saturdays 3:30-5 pm and 5:30-7 pm

  • Sundays 11-12:30p and 1-2:30p

How to book a party:

A $115 non-refundable deposit is needed to reserve your party time slot, which you can book by:

  • Online through our parent portal

  • Call 781-562-0560

Please note:  

  • All parties are priced for up to 15 participants.  For 15+, it is  $5 per additional child.  

  • Please book a minimum of four weeks in advance, however parties tend to book 2 to 3 months in advance during the school year.

  • All party participants will require a signed release waiver by a parent or legal guardian. 

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