Mountain Kids | Gymnastics and Ninja

Gymnastics and Dance Classes in Louisville, Erie, Colorado

Events & Community

Celebrate Big with Movement and Fun: Birthday Parties at Mountain Kids

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Birthdays are meant to be celebrated with laughter, movement, and a whole lot of fun! 

At Mountain Kids, we believe every child deserves a celebration that feels as energetic and joyful as they are. That’s why our birthday parties combine the best parts of what we do every day — gymnastics, ninja-style challenges, games, and free play — with all the festive spirit of a special day shared with friends and family.

Whether your child dreams of flipping, climbing, balancing, or simply running wild with their best friends, our parties are designed to make it happen — in a safe, active, and stress-free environment for parents. We host parties for kids ages 3–12, and we’re all about creating memories that keep everyone smiling long after the candles are blown out.

What’s Included in a Mountain Kids Birthday Party

When you host your child’s celebration with us, we handle the fun — so you can enjoy the day too! Each party includes:

  • One hour of gym time led by our enthusiastic party hosts. You can choose between a gymnastics-style party (with tumbling, trampolines, and bars) or a Ninja Zone-inspired obstacle adventure. Our coaches guide the kids through games, challenges, and open play designed to keep everyone moving.
  • Thirty minutes of party time in our dedicated space for cake, snacks, and presents. This gives kids a chance to refuel and celebrate together while parents relax and enjoy the moment.
  • Room for up to 20 guests, so there’s plenty of space for classmates, siblings, and friends.
  • We provide the setup — from tables and coverings to a friendly staff that helps keep things running smoothly.

If you’ve ever hosted a party at home, you know how quickly cleanup and logistics can steal the joy. With Mountain Kids, all you need to bring is your cake, decorations, and enthusiasm — we’ll take care of the rest.

Why Parents and Kids Love Our Parties

We’ve designed our birthday parties to be fun for kids and easy for parents.

For the kids:

Every child gets to move, explore, and play in an exciting space that feels like an adventure zone. From trampolines and bars to foam pits and obstacle courses, there’s something for everyone — whether they’re experienced athletes or just love to bounce and climb. It’s more than a party; it’s an experience where imagination and movement come together.


For the parents:

You can actually enjoy the celebration instead of worrying about setup, safety, or cleaning up confetti afterward. Our team handles supervision, organization, and cleanup. That means more time to watch your child’s face light up as they soar across the gym or master a ninja obstacle for the first time.

We know parents appreciate the combination of structure and flexibility — our staff keeps the flow of the day smooth while ensuring each child feels included and encouraged.

What to Bring (and What’s Already Covered)

Hosting a birthday party at Mountain Kids means most of the work is already done for you. Here’s what we provide — and what you might want to bring:

We provide:

  • Experienced party hosts and coaches
  • Table coverings and basic setup
  • All gym equipment and activities
  • Full cleanup after the party

You bring:

  • Cake or cupcakes
  • Drinks and snacks (think juice boxes or water bottles)
  • Plates, cups, napkins, and utensils
  • Decorations (if you’d like to personalize your space)
  • A camera for all those action shots!

And don’t forget — every participant needs a signed waiver before joining the fun. You can find that on our Birthday Parties page or fill it out when you arrive.

How to Book Your Party

Booking your child’s special day at Mountain Kids is easy! You can reserve your party online or call us directly to confirm availability.

Here’s how the process works:

  1. Choose your time slot. We typically host parties on weekends (Saturday and Sunday).
  2. Select your theme: gymnastics or ninja!
  3. Reserve your spot. A full payment is required at booking to hold your time.
  4. Submit waivers for each guest ahead of time.
  5. Arrive early (about 10–15 minutes before your scheduled time) to greet your guests and set up your treats or decorations.

Our facility is located at 474 S Taylor Ave, Louisville, CO, with plenty of parking available nearby for families and guests.

Customizing Your Celebration (and Keeping the Fun Going!)

No two kids are alike — and neither are our parties! 

You can tailor your child’s celebration to fit their interests and personality. Choose between gymnastics or ninja-themed activities, bring your own decorations, or coordinate with our team on special games, playlists, or themes. 

Whether your child wants to feel like a Ninja Warrior or an Olympic gymnast, we’ll help you bring their imagination to life.

We love adding personal touches that make the day feel one-of-a-kind — from themed obstacle courses to special photo moments with friends. Want to make your child the star of the show? Let us know your ideas, and our experienced coaches will make sure it’s a birthday they’ll never forget.

And the fun doesn’t have to stop when the party ends! Many families who celebrate here go on to join our Gymnastics Classes, Ninja Zone, or seasonal Camps. 

These programs give kids the chance to keep moving, learning, and building confidence all year long.

If your child loved the ninja course, they’ll fit right in at our weekly classes, where they can train and challenge themselves in a fun, encouraging environment. And if gymnastics stole the show, our progressive program helps young athletes learn new skills while improving coordination, balance, and strength.

Think of a Mountain Kids birthday as just the beginning of your child’s adventure — one that keeps growing with every jump, flip, and smile.

Quick FAQ

What ages are the parties for?
Our parties are ideal for kids ages 3–12, with activities tailored to their age group.

How many guests can I invite?
We can accommodate up to 20 participants comfortably.

Do you provide food?
We don’t provide food, but you’re welcome to bring your own cake, ice cream, or snacks.

What should kids wear?
Comfortable, flexible clothing and non-slip socks or bare feet work best for the gym.

What’s the cancellation policy?
Please check our current cancellation terms when booking — we understand plans can change and do our best to accommodate.

Where are you located?
You can find us at 474 S Taylor Ave, Louisville, CO — view on Google Maps.

Ready to Celebrate?

At Mountain Kids Louisville, we’re all about bringing energy, creativity, and joy into every celebration. 

A birthday party here isn’t just an event — it’s an unforgettable experience where kids get to move, laugh, and connect through play. Parents love that our team handles the details, so you can focus on what really matters: celebrating your child.

Ready to book your child’s big day? Reserve your birthday party today or contact us for more information.

And if your child can’t get enough of the fun, check out our Gymnastics Classes and Ninja Zone programs — a perfect way to keep the movement going all year long!

Local PTO/PTA Fundraisers

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Mountain Kids is proud to offer fundraising opportunities for local schools. Our most popular option is hosting a “Kids Night Out” exclusive to your school, where Mountain Kids donates 100% of the proceeds directly back to your organization. Contact Anna at anna@mountainkidslouisville.com for more information.

Coal Creek Elementary
Superior Elementary
Eldorado Elementary
Lafayette Elementary
Sanchez Elementary 
Louisville Elementary 
Ryan Elementary

Indoor Activities for Kids in Louisville: Stay Active All Year Long

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When the Colorado weather turns chilly or rainy, families in Louisville start looking for ways to keep their kids active and happy indoors. Between snow days, spring showers, and brisk fall afternoons, having a place for safe, high-energy play is essential.

At Mountain Kids Louisville, we believe every season is an opportunity for kids to grow, move, and have fun. Whether they’re tumbling, climbing, dancing, or leaping through our Ninja Zone, our programs help children stay active and confident all year long — no matter what the weather brings.

Why Indoor Activities Matter for Louisville Families

When families search for indoor activities for kids in Louisville, they often find that no one offers the variety, quality, and community connection that Mountain Kids does. Our programs are built to grow with your child — from their very first forward roll to mastering advanced gymnastics skills.

Gymnastics Classes

Gymnastics is the heart of what we do. Through preschool, school-age, and team-level programs, kids learn balance, flexibility, and coordination — while building confidence in their abilities.

Each class takes place in our bright, indoor gym, so kids can stay active through the snowiest Colorado winters or the hottest summer days.

Ninja Zone

Our Ninja Zone program brings obstacle courses, tumbling, and agility training together for high-energy fun. It’s a favorite for kids who love to climb, jump, and race their way through challenges.

Every ninja class helps kids develop strength, focus, and coordination — and since it’s all indoors, the fun never stops when the weather turns cold.

Dance Classes

When the weather outside is frightful, our dance program is delightful! From ballet and tap to hip-hop and creative movement, dance classes help kids express themselves while developing rhythm and grace.

We love watching our dancers light up the room — and parents love that they can drop off for class knowing their kids are moving, learning, and having fun.

Camps and Open Gym Sessions

When school’s out, our indoor camps and open gym sessions keep the energy going.

Whether it’s winter break, spring break, or a no-school day, our themed camps combine gymnastics, ninja, dance, crafts, and games for full-day fun.

Families can also join us for Kids’ Night Out — a supervised evening of tumbling, pizza, and play that gives parents a night off while kids enjoy the gym to themselves.

Birthday Parties

Planning a winter or rainy-day birthday? Hosting your child’s party at Mountain Kids means no weather worries. Our indoor birthday parties include gym playtime, games, trampolines, obstacle courses, and a party room for treats and celebration.

We handle the setup, clean-up, and fun — you just bring the smiles and the cake!

Things to Do with Kids in Louisville, CO — Indoor Edition

When you’re searching for things to do with kids in Louisville, CO, Mountain Kids is a must — but it’s not the only indoor gem around town. Here are a few ideas to round out your family’s activity list during colder months:

  • Louisville Public Library – Storytime sessions and craft activities for toddlers and school-age kids.
  • WOW! Children’s Museum in Lafayette – An engaging, hands-on space for creative indoor play.
  • Louisville Recreation & Senior Center – Swimming lessons and youth recreation programs indoors.
  • Mountain Kids’ Open Gym – Burn off energy, flip, climb, and play in a space designed just for kids.

Together, these options ensure your family has plenty of ways to stay active and connected — no matter the forecast.

Tips for Maximizing Indoor Activity in Louisville

A few local insights can make your family’s indoor playtime even better:

  • Plan ahead: Mountain Kids’ classes and open gyms fill up fast, especially on snowy days. Check the class schedule to reserve your spot early.
  • Dress in layers: The gym is cozy, but kids will warm up quickly once they start moving.
  • Bring siblings: With classes for toddlers through teens, Mountain Kids makes it easy for the whole family to stay active under one roof.
  • Use school breaks: Sign up for camps during winter or spring breaks to keep kids engaged.
  • Stay updated: Keep an eye on the Mountain Kids Events Calendar for upcoming camps, open gyms, and themed parties.

Community, Confidence, and Connection

At Mountain Kids, our classes are about more than movement — they’re about community. We’ve been part of the Louisville area for years, and we love seeing familiar faces return season after season.

Many of our students start as toddlers in our preschool gymnastics or creative movement dance classes and grow with us into advanced programs. Our instructors form meaningful connections with kids and families, celebrating milestones like first cartwheels, first handstands, and first performances.

That sense of belonging is what makes our programs truly special. Whether your child is taking their very first class or preparing for competition, they’re part of a supportive community that cheers them on.

Local Tips for Staying Active Indoors

A few things we’ve learned from years of helping Boulder County families stay moving year-round:

  • Plan ahead: Popular class times and open gyms can fill up fast — check our class schedule early.
  • Dress for movement: Layers work best — kids warm up quickly once they start flipping and jumping!
  • Try a trial class: New to Mountain Kids? Reach out to see if a trial class is available in the program that interests you.
  • Bring siblings: We offer classes for toddlers, kids, and teens — so everyone can participate on the same day.
  • Check our Events Calendar for upcoming camps, themed nights, and special events.

A Sample Week of Indoor Fun

Here’s what an indoor activity schedule might look like for a family with two active kids in Louisville:

Day Child’s Age Activity Location
Monday 4 years Preschool Gymnastics Mountain Kids
Wednesday 7 years Ninja Zone Class Mountain Kids
Friday Both kids Open Gym Session Mountain Kids
Saturday 10 years Dance Class Mountain Kids
Sunday Family Storytime or crafts Louisville Public Library

This rhythm keeps kids moving and socializing all week — even when temperatures dip below freezing.

Why Families Love Mountain Kids

Parents across Boulder County appreciate how we combine fun and fitness in one place. Whether your child prefers flipping, tumbling, dancing, or conquering ninja obstacles, each program is designed to build lifelong movement skills and confidence.

Our instructors focus on positive reinforcement and age-appropriate challenges, so kids always feel supported and successful — even if it’s their first time on a beam or in a class setting. And for parents, having a clean, well-maintained indoor space nearby makes all the difference when the snow starts to fall.

Stay Active with Us All Year Long

No matter the season, there’s always something happening at Mountain Kids. From gymnastics and ninja classes to dance, camps, and birthday parties, we make it easy for kids to stay active, explore movement, and have fun — all in a safe indoor environment right here in Louisville.

So when the next cold front rolls in, skip the cabin fever. Come jump, flip, dance, and grow with us — your year-round home for movement, confidence, and joy.

Give Your Kid the Best Night Ever: A Kids Night Out

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Staying active during the fall months can be a challenge. It’s cold and dreary, and if your kids love to be outdoors playing with friends they might get easily bored and feel cooped up and isolated from their friends.

Socializing is good for us, especially at a young age. It’s an important process that helps build self-esteem and grow kids’ confidence. They might be uncomfortable or shy at first, but practice makes it easier and better every time.

Activities that get them out of the house are good for you too. When your kids are bored things get dicey. That’s when unexpected messes or squabbles with siblings can make you feel like pulling your hair out. Spending extra time together is a blessing, but so is getting that much-needed alone time.

That’s where we come in to make exercise fun and keep your kids moving. It may be cold outside, but we’re not going to let that stop us from having a good time.

So if you’re on the lookout for a fun activity your kids will enjoy while you snag a few hours to yourself for self-care or date night, see us at Mountain Kids for Kids Night Out!

What to Expect at Kid’s Night Out

Like many of our events, this is centered around our gymnastics curriculum and keeping kids active year-round while having a blast. All kids are welcome with any skill level. The goal of our events is to get out and have fun while building community and making new friends!

Starting soon from 5:30 – 8:30 pm, we’ll host your kids for open gym, games, arts & crafts, and more. Be sure to check out our Facebook Page to get the dates and add them to your calendar as they come up.

The best part? We’ll provide dinner!

Dinner with Friends

Nothing beats a pizza party! Except for a pizza party with pals.

Drop your kids off at 5:30, and we’ll ensure they’re not hungry when it’s time for pick-up. We’ll provide a pizza buffet your kids can enjoy for dinner with new friends as they get out and socialize at Kids Night Out.

Open Gym

Open gym is a fun way for Mountain Kids to mingle amongst different ages and classes in a low-key environment. It’s a place for all ages to build trust and gain confidence on the floor while having fun.

Open gym is an excellent opportunity for new and skilled gymnasts to practice their favorite moves. Don’t be surprised if your kids come back home totally exhausted but excited to show you their new moves.

Gym Games

Your kids will put their skills to the test while learning the true value of teamwork. We’ll break out into groups and learn something new about ourselves and each other.

The games we select are specifically chosen for their team-building capabilities. These usually create a bond between the kids in the classes so they’re excited to come back again and meet up with their new friends.

Arts & Crafts

We’ve done our best to design our program for all kids, whether you’ve got a star athlete or a soulful artist.

If your child isn’t sure they’ll want to tumble all night, we’ve got an arts & crafts table to ensure they’ll have a great time. And they’ll bring home something memorable too! 

A Night Everyone Will Enjoy

You’ll thank yourself for booking your child’s spot at Kids Night Out. Use the extra time to check out that new restaurant you’ve been meaning to go try.

However you spend your time, your kid will thank you. Because they’ll have a blast and get in some great exercise while socializing with friends.

Boo Bash

Spooky season has arrived and with it comes the return of our annual Boo Bash! If you have toddlers who aren’t in school this is the perfect event for you.

Mark your calendar for Friday, October 28th from 11:30 am -1 pm. In addition to our open gym, pizza party, and arts and crafts, we’ll be hosting a glow-in-the-dark dance party! Get your kids ready to parade around their best costumes and have fun with new friends.

Tickets are $25 a child and the event is for ages 0-6.

Other Activities

We hope you’ll join us for Kid’s Night Out, and Boo Bash! They’ll have such a wonderful time you’ll want to come back again for a class or birthday party.

We teach courses for groups by age and skill level, and we offer individual classes too. Some of the other fun-filled events we host are gymnastic meets, Ninja games, and birthday parties!

Buy Your Tickets

Tickets to Kids Night Out are $30 for your first child and $25 for any additional children from the same family. Current students from Mountain Kids will get a $5 dollar discount on all Kids Night Out events.

Come join us for events and activities that are sure to entertain as well as encourage, challenge, and inspire your child.

Call or email now to reserve your space at Kids Night Out! >

Top 10 Reasons to Join us for National Gymnastics Day

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One of our favorite holidays is just around the corner…National Gymnastics Day!

On September 19, 2020, gymnastics enthusiasts all over the country can come together (not literally — keep that mask on!) to celebrate a sport that’s not only loads of fun, but healthy for your mind and body, too.

[Read more…] about Top 10 Reasons to Join us for National Gymnastics Day