Birthday parties that rock.

Kids' Birthday Parties in New York, NY

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

KidStrong E. 63rd

Birthday parties are hosted at KidStrong E. 63rd, 344 East 63rd St in New York, NY. Call us at +1 646-466-3347 to check party dates and availability.

344 East 63rd StNew York, NY

Why New York, NY families love us

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SHLOMIT E.

"We had a great experience with KidStrong. The program is really well organized, the coaches are wonderful, and the whole team was always kind, responsive, and understanding. It wasn’t the right fit for our son right now, but we really appreciated how supportive everyone was. Highly recommend!"

October 5, 2026
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NASTASSJA A.

"It’s an amazing program and I know it benefits my child and other children."

October 3, 2026
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TARA G.

"Great program, wonderful staff, lovely way to spend time with your kids on a Saturday."

September 10, 2026
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CARLOS E.

"As soon as you walk in, you’re greeted with such a warm and welcoming environment. The atmosphere is positive, encouraging, and makes parents and children feel comfortable. The coaches were incredibly attentive and in tune with the kids. My son would sometimes get startled by the cheering and clapping during celebrations..."

July 26, 2026
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STEVE S.

"My daughter was really engaged in her class and came home with tons of confidence"

July 21, 2026
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MANDY R.

"Everything is easy, including rescheduling classes - which is not usually the case. KidStrong is the gold standard for what this experience should be. Always just a positive interaction across all staff. The coaches are absolutely wonderful with the kids. The program itself is excellent in ethos and structure, building me..."

July 20, 2026
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TATIANE O.

"They showed a lot of passion and patience to teach the kids how to respect each other and have fun learning."

June 22, 2026
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HALEY B.

"The gym is new, clean, lots of positivity, equipment is perfect, great achievement tracking - great for kids confident! Staff are A++++++"

June 12, 2026
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ALFONSO C.

"Our experience with KidStrong has been absolutely outstanding. Pablo has loved every minute of his time there, and we have seen tremendous growth in his confidence, coordination, social skills, and enthusiasm for learning new things. What truly sets KidStrong apart is its incredible team. Every coach brings an amazing comb..."

June 8, 2026
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BABAK R.

"Great centre for kids to move and be active, instructors are great and able to accommodate kids on the spectrum. My 6 and 5 year old boys loved it."

June 3, 2026
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JAZZ D.

"Kid strong E 63rd is really the best experience for both kids and parents. I see improvements in the child every class !"

June 3, 2026
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MAYA S.

"I just hosted my son’s 3rd birthday party here yesterday, and it was hands-down the BEST birthday party experience I’ve ever had. Three reasons why: 1. Seamless communication beforehand The pre-event communication (text, email, calls) was so smooth and easy. Erin and Evan, the site managers, were incredibly helpful - ..."

April 20, 2026
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PAUL S.

"My daughter absolutely loves going to Kidstrong. From the manager to the coaches everyone is fantastic."

April 12, 2026
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JORDAN K.

"We love KidStrong! SUCH an amazing new class offering on the UES. Both my six year old and two year old love going weekly and the staff is always so friendly and helpful!"

March 8, 2026
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JONATHAN E.

"They do an amazing job building confidence and discipline through fun activities and exercises"

March 8, 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.

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✓

Private use of the KidStrong center during your party

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90-minute private party

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Up to 15 kids included

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Two KidStrong coaches

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One KidStrong T-shirt for birthday child

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Food and cake celebration time included

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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.

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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.

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Coach-led

Two amazing coaches

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

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Make it yours

Party add-ons at KidStrong E. 63rd.

Add-ons available at KidStrong E. 63rd. Call+1 646-466-3347 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 E. 63rd at +1 646-466-3347 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 E. 63rd at +1 646-466-3347 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 E. 63rd 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 E. 63rd at +1 646-466-3347.

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 E. 63rd at +1 646-466-3347 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 E. 63rd at +1 646-466-3347. 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 E. 63rd at +1 646-466-3347 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 E. 63rd on the perks of becoming a member.

Do you offer any add-on packages?

After booking your party, KidStrong E. 63rd 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 E. 63rd at +1 646-466-3347 for available add-ons and pricing.