Birthday parties that rock.

Kids' Birthday Parties in Westborough, MA

A private, coach-led KidStrong party filled with action, confidence-building games, and unforgettable birthday memories.

KidStrong Westborough

Birthday parties are hosted at KidStrong Westborough, 205 Turnpike Rd Suite 1 in Westborough, MA. Call us at +1 508-986-8404 to check party dates and availability.

205 Turnpike Rd Suite 1Westborough, MA

Why Westborough, MA families love us

HL

HTOON L.

"KidStrong Westborough is amazing! My son Liam is 15 months old. He shows great improvements after each class. The coaches are very nice and give good care to every child. The management team is also wonderful. We love it here!""

August 17, 2026
LP

LINDSAY P.

"Coaches always seem thrilled to be there, fun learning environment for little kiddos!"

July 17, 2026
GG

GRAZE G.

"Coach Lori goes out of her way to help our son build his confidence and have fun! We drive 45 minutes to be part of KidStrong. This program is nothing short of amazing!"

May 25, 2026
AS

ANDREA S.

"It was really nice just not a great experience for my grandson who was taken back by so many people"

April 20, 2026
RS

RAJ S.

"Nice place to get your child involved in activities. Regular kids classes are available on weekly basis"

April 18, 2026
CH

CH

"Amazing place. Staff is so awesome and amazing with kids. My son loves going every week and says he's getting stronger everytime."

April 17, 2026
JR

JENNA R.

"My daughter's confidence is amazing after taking a few classes. The instructors are always so engaging, never leaving any child behind. Highly recommend."

April 13, 2026
AC

ANGIE C.

"This place is awesome and my daughter enjoys the classes so much, she learns about movement, team work and public speaking."

April 13, 2026
LS

LATASHA S.

"My daughter started Kidstrong Westborough at the end of last year. Only a few short months, and I have noticed her confidence and eagerness to participate in weekly classes increase. The coaches are great."

April 12, 2026
RB

REBECCA B.

"The Monday class for walking to 2 is great! The coaches have a stern but approachable coaching practice. My grandson loves them and it has really helped with his structure and listening skills. I can’t say enough about how amazing coach Lori and Coach Laura are!"

April 7, 2026
MV

MARY V.

"My daughter Isabella just signed up for kids Strong Westboro. It is extremely clean fun place where kids can leave their tablet and TV behind. Learn social skills As well as strength manners and advocate for themselves I think it is a wonderful program. And yes, we signed up last night"

April 4, 2026
YB

YELENA B.

"My pre-schooler twins have been attending the Westborough location of the KidStrong for a couple of years now. We had various coaches over the years, classes, programs, and age groups. I am always inspired by how dedicated, helpful, and encouraging the coaches there are. I love the ideology of the system. However, it would..."

March 24, 2026
AK

AK

"We started bringing our daughter to KidStrong Westborough and it has been such a great experience. Our lovely coaches, Lori and Laura, are incredibly patient and know exactly how to work with little ones. The classes are fun, structured, and full of positive encouragement. It’s amazing to watch your child gain confidence ..."

March 16, 2026
SE

STEPHANIE E.

"We have had such an amazing experience so far at KidStrong. All of the classes are planned out so thoughtfully and we love the balance of building athletic skills along with life and social skills. My daughter has so much fun every time and is always thrilled when it’s a “gym day”! The coaches have all been awesome an..."

March 15, 2026
CR

CARRIE R.

"My kids absolutely love KidStrong! Since they started, we have noticed improvements in their body awareness and overall confidence - they are more in control of their movements, more willing to do new things at the playground, and show more grit when doing hard things. The coaches at KidStrong Westborough are so helpful and..."

March 14, 2026
What you get

Everything needed for an epic party.

We handle the movement, games, coaching, setup, and cleanup so families can focus on celebrating.

Book a Birthday Party
✓

Private use of the KidStrong center during your party

✓

90-minute private party

✓

Up to 15 kids included

✓

Two KidStrong coaches

✓

One KidStrong T-shirt for birthday child

✓

Food and cake celebration time included

✓

Set-up and clean-up included

90

minute private party

15

kids included

2

KidStrong coaches

Guided fun

70 minutes of guided activities

A KidStrong birthday party is non-stop action, packed with KidStrong-exclusive games and activities guaranteed to create epic memories, with the last 20 minutes dedicated to food and cake.

Book a Birthday Party
Private event

The whole facility is yours

Want your kid to be the VIP? We’ve got you covered. With KidStrong Parties, the entire facility is dedicated to your kid’s special day.

Book a Birthday Party
Coach-led

Two amazing coaches

You get not one, but TWO of our KidStrong-certified coaches for the entire duration of your party.

Book a Birthday Party
Make it yours

Party add-ons at KidStrong Westborough.

Add-ons available at KidStrong Westborough. Call+1 508-986-8404 to discuss options that can make the day even easier.

Additional Kids
Additional Party Time
KidStrong T-Shirts for Guests
Goody Bags
Additional Coach Support
Food & Beverage Packages (where available)
Paper Products & Party Supplies (where available)
Ready to celebrate?

Book a KidStrong birthday party today.

Private facility. Expert coaches. Epic memories. Let’s make this birthday strong.

Questions Parents Ask

Frequently Asked Questions

Everything you need to know about KidStrong birthday parties.

How many kids can attend the birthday party?

Each party includes up to 15 kids. Additional kids may be added for an additional fee. Call KidStrong Westborough at +1 508-986-8404 to check availability and pricing.

How old does my kid need to be to book a party?

KidStrong offers birthday parties for kids aged 1-11. Guests 3 years and younger must have an adult (18 or older) on the floor with them.

What time can I arrive?

Check with KidStrong Westborough at +1 508-986-8404 on arrival time.

What am I allowed to bring to the party? What do I need to bring?

Families are welcome to bring food, beverages, cake, decorations, and other celebration items. Contact KidStrong Westborough for any location-specific guidelines.

Is gratuity included or should I tip the coaches?

For details on gratuities or any applicable service fees associated with your party, contact KidStrong Westborough at +1 508-986-8404.

Does the party host’s child count as a part of the total child count?

Yes, any kid that is on the floor counts towards the party count.

Are waivers required for participation?

Any participant on the floor, 18 and under, must have a signed waiver. When you book your party, we will give you a link where you and your guests can sign the waiver ahead of time.

Do parents need to stay at the party?

If the kids are under 3, a parent needs to be on the floor, for kids older than that, please check with the center on parent policy.

How is my party run? What is the schedule of the party?

Our coaches will check in all guests and ensure that a waiver has been completed. Once checked in, kids can join the coach on the blue floor for explore time. When the majority of the guests arrive (typically 5 minutes after party start time), or when the party parent is ready to begin, the coaches will begin the games on the blue floor. Blue floor games and activities will take about 70 minutes and the remaining party time will be for food/cake.

How far in advance should I book my party?

To ensure you get the date and time of your party, we recommend at least 1 month in advance.

What is the deposit amount?

Check with KidStrong Westborough at +1 508-986-8404 for party deposit prices. Deposits are applied to your remaining balance at the end of your party. You can book your party online at any time.

Can I pay my party balance prior to the day of the party?

Yes, you can pay for the party balance ahead of time by contacting KidStrong Westborough at +1 508-986-8404. Keep in mind, a final headcount will take place the day of the party and additional kids will be charged the day of the party.

What is the cancellation policy?

All party deposits are NON-REFUNDABLE. Check with KidStrong Westborough at +1 508-986-8404 for the full cancellation policy.

Do I have to sign a party agreement?

Yes. All parties require a signed party agreement before the reservation can be confirmed.

Where can I get the waivers?

The link to our waiver form is always easily available on our website. You will also receive a link to share with your guests in your part confirmation email. It is recommended that your guests complete the waiver prior to arrival.

Do I have to be a KidStrong member to host a KidStrong party?

No. Non-members are welcome to host parties at KidStrong. Check with KidStrong Westborough on the perks of becoming a member.

Do you offer any add-on packages?

After booking your party, KidStrong Westborough will get in touch with you about the optional add-ons available for parties.

What Add-ons are available for a KidStrong Party?

Call KidStrong Westborough at +1 508-986-8404 for available add-ons and pricing.