Oak Creek

lil' ninjas 

Lil' Ninjas classes are designed to help your child tackle life’s big challenges with confidence, building strength and resilience as they learn to navigate and overcome obstacles!

Activities + Classes

Lil' Ninja Classes


At Ultimate Ninjas Oak Creek, our Lil' Ninja classes are the perfect way for young children to experience the joy of overcoming obstacles! Specifically designed for kids ages 3 to 5, our classes provide a fun and engaging environment where your child can learn and grow.

Our programs start with the basics, focusing on essential movements like balance and coordination, and gradually advance to skill-based obstacle courses tailored to each child's development level. No matter their starting point, we have a class that will challenge and excite them.

Our caring instructors at Oak Creek are dedicated to helping your child develop strength, coordination, and agility through activities like balancing, hanging, jumping, climbing, and running. All of this takes place in a safe, nurturing environment that emphasizes building self-confidence and promoting teamwork. At Ultimate Ninjas Oak Creek, your little one will gain valuable skills, make new friends, and have a blast along the way!

Call Today, or Drop By to Sign Up

(414) 307-4411

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benefits of lil' ninja classes


  • Build Strength


  • Increase Agility

  • Body Awareness


  • Balance & Coordination


  • Flexibility 


  • Perseverance


  • Learn to fall safely


  • accountability & respect


What our customershave to say about us


Mike Bleier
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Amazing for kids of any age, and fantastic for adults too! For kids - it's a no brainer - a true "American Ninja Warrior" (ANW) style obstacle course. They love it. They have weekly classes, parties, and even camps. It's a great way for your kids to stay active, get away from screens, and have fun, all at the same time. For adults - awesome too! I can't believe this place isn't 20x more crowded than it is, I think it's just because people don't know about it. I was bringing my daughter here for the kids thing and saw some adults working out each week, and I got curious, so I asked about it, and I'm glad I did. "Ultifit" as they call their adult class, is an amazing workout for adults! There are two options, first is just straight circuit training like you'd find in similar circuit training style gyms, no obstacle course. Or you can choose to go to the "OC Fusion", which is kind of like half circuit training and half obstacle course. You don't have to pick one or the other - they offer both types of classes every day and you just go to the one you want. You don't have to be into ANW at all to join, in fact I've been coming for about a year and I've never done the OC fusion class - I just do the straight circuit training. Sean, the main coach, is awesome, and changes up the workouts everyday, so it's never boring and repetitive, and you're always working out new muscle groups. One caveat for guys, I think a lot of guys are looking to build bulk, and this isn't the place for that. I think this is a gym for those who are looking for that 'lean in-shape' result. Here, there's not any heavy weight training like you'd find at a crossfit gym, so you're not doing any big weight and looking to build muscle in that way. There are some weights used, but it's just a totally different style than crossfit. But, if you're looking for a full body, all around great workout, that's always unique, and will consistently kick your butt... Try Ultifit at Ultimate Ninjas!
Taha S
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Hosted my daughter's birthday party here, and it was very well done .
Judy Maldonado
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It was a great experience and the attendants that helped the kids during the gym time were amazing! Everyone had a blast!
Eric (Tesla)
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Good place for a kids birthday party. Plenty to do here. They also have rooms available for food and cake after the kids play.
Max Sachuk
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Great place for kids to be active.
Marika Ezugbaya
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We had great birthday party for my 7year old.
Angela Hall
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We have been sending our 3 year old daughter to the little ninjas preschool obstacle course class at ultimate ninjas and couldn’t be happier. I was worried about sending her since she’s on the smaller side, but all the coaches are very patient and helpful. Coach Dana and Coach Mike create an incredibly motivating and encouraging environment, challenging the kids in a supportive way that allows them to become stronger and more confident while also having tons of fun. My daughter tends to fade in her enthusiasm for new activities but she can’t wait to go to “ninja class” each week.