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Meet Mandy Sim of Jam Time in Maynard, Natick, Norwood

Today we’d like to introduce you to Mandy Sim.

Jam Time is the creation of husband and wife team Malcolm and Mandy. Malcolm and Mandy now reside in Sudbury, MA with their 2 kids and 2 dogs, but the idea of Jam Time started way back in 2009 when they were living in Los Angeles with their little ones just 1 and 3 years of age, while working in the animation and theme park industries. While in L.A., they visited numerous indoor play centers with their kids for recreation, play dates, and birthday parties and always found themselves discussing what could have been better, added, or changed to make for a more fun, ideal play space. It was after one of these conversations that they started to build the business plan for Jam Time, using their entertainment backgrounds to create a creative space catered to little ones that’s also enjoyable for parents and caregivers.

Having always talked of moving back to their east coast roots and with the plan for Jam Time underway, they started doing location research that led them to choose the Boston area for their new home and family business. Having now been open for over 7 years with 3 locations and more underway, Jam Time is the go to destination for parents and young children in the cold months of winter right through the hot and rainy days of summer. Jam Time has repeatedly been voted the #1 Indoor Playspace in Massachusetts by multiple media sources!

Great, so let’s dig a little deeper into the story – has it been an easy path overall and if not, what were the challenges you’ve had to overcome?
I don’t think I’ve ever met a business owner who has had a smooth road! Our challenges and struggles seem to change as we grow. When we first opened our Maynard location, it was Malcolm and I who ran everything 7-days a week while juggling parenthood. Finding a work/home balance was a big struggle for us the 1st couple of years.

When we opened our 2nd location 3 years later, we had to learn to let go a little and to rely on managers. It was very important to ensure our customer service was upheld as well as the quality and cleanliness of our facility. Now with 3 locations, it’s learning to offload tasks that for the past 7 years we’ve done – things like posting events and making flyers, confirming birthday party details with clients, inventory. We’re super lucky to have a great team!

Alright – so let’s talk business. Tell us about Jam Time – what should we know?
Jam Time is an indoor play and enrichment center for kids 6 and under.

Jam Time offers state-of-the-art Cedar Works climbing structures, custom Lilyput Play Houses for each facility, a bouncy house, play tables, ball pit, air hockey, kiddie gym equipment and infant + toddler soft play toys amongst many other activities unique to Jam Time. Adults can enjoy comfy seating and free wi-fi while enjoying yummy coffee and a variety of organic and healthy snacks from the café area.

Jam Time offers a wide variety of classes including mommy and me style classes Movers, Explorers, Adventures, and Family Jam Time, Tiny Toes Ballet, Jammin’ Science, Lucky Day Music, Music Together®, Princess Etiquette, kids fitness classes from H2K and more. Our energetic classes encourage imagination, learning through play, socializing, motor skills, with FUN being the core to all of our activities. Jam Time hosts both private and semi-private birthday parties catered to each child where kids are entertained and can run free while the adults sit back and enjoy themselves. Plus all Jam Time parties get a visit from our mascot, JT the Moose!

We’re open 7 days a week for open play and require NO membership. We host tons of special events and run parents night out events and have many specialty character visits from friends such as Elmo and Marshall from Paw Patrol!

It is our goal to offer a clean, safe, play space where families can come throughout the year and always be guaranteed a jammin’ good time!

Is there a characteristic or quality that you feel is essential to success?
There are 3 components that I feel contribute to our success: Being an ultra-clean play space, having a high level of customer service and ensuring our toys and play structures are high quality!


  • $12 per child for all day play. Babies under 1 are FREE with a paying sibling, otherwise $6
  • $100 for a 12 visit Discount Play Pass that has no expiration
  • $135 for a 6-week session of most classes. $180 for an 8-week session of most classes
  • Birthday Party packages starting at $250

Contact Info:

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