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Ninja Intensity hosts unforgettable kids birthday parties in Castle Rock, Colorado. Our party packages include exclusive use of the gym, professional coach-led activities, obstacle challenges, and stress-free setup & cleanup — parents love how easy it is to celebrate with us! Our birthday party venue in Castle Rock, Colorado offers obstacle challenges and games designed to keep kids active, challenged, and smiling the entire party. If you’re looking for a unique and memorable indoor birthday party place in Castle Rock, Ninja Intensity delivers an experience kids won’t stop talking about.

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Parents searching for kids birthday parties near me love our stress-free setup, we do all the work.  Give us a call do discuss, 720-515-4395

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Each birthday party is led by experienced ninja coaches who guide participants through structured activities while prioritizing safety and fun. We handle the setup, instruction, and cleanup so parents can relax and enjoy the celebration. Whether your child is celebrating with close friends or a big group, Ninja Intensity is a top choice for active kids birthday parties between Denver and Colorado Springs!

Birthday Parties are held on Fridays, Saturdays and Sundays with the following time slots:

Friday 1:30-3:30

Saturday - 11:00 am – 1:00 pm  or  1:30 pm – 3:30 pm  or  4:00 pm – 6:00 pm

Sunday - 1:30 pm – 3:30 pm  or  4:00 pm – 6:00 pm

Ages 6+ only

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PRICING​​

1-10 Ninjas $340

11-18 Ninjas $450

$20 per ninja after 18

$50 for extra coach after 18

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2 hours of "PRIVATE" fun

Entire gym reserved for your party!

At least 2 coaches hosting party at all times

Party room included

Set Up & Clean Up

Plastic/Paper Goods provided

Ninja Intensity Bracelets for the Birthday Party Gang

Water Bottle for Birthday Ninja

Feel free to bring in your own food and cake for the celebration

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ADDITIONAL INFORMATION

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• A deposit of $100.00 for birthday party is required to reserve your date and time slot. Once reserved this deposit is Non-Refundable! Also your date and time slot can’t be changed!

• All participants much have a complete waiver filled out before they will be allowed on any obstacle. Parents or legal guardians must fill out a waiver for any participant under 18 years of age.

• Please make sure all participants are dressed appropriately.  SHOES REQUIRED! No open toed shoes allowed on obstacles.

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FAQ:

• What ages is the birthday party for?  - We offer birthday parties for ages Five (5) and up. 

• Can I bring my own food and cake? - Yes, we offer a private party room for every party. This room includes a refrigerator and freezer, we also decorate it in red and black however you can bring your own decorations if you would like. 

• How do I book a birthday party? Give us a call at 720-515-4395 or fill out the form below!

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HOW TO:

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