Ultimate Ninjas Academy
Empower kids. Build confidence.
Ultimate Ninjas Academy helps kids grow by developing a lasting love for movement, learning, and personal growth. Our programs are fueled by fun, guided by science.
Ages 9 months – 8 years
Obstacle play, movement skills, and confidence work for younger ninjas.
Try us out
$20 trial class
Ready to unleash your little one's inner ninja? Try a fun-filled obstacle course class before committing to a membership.
New
Special events
Movie nights, pizza parties, ninja challenges, open play, and seasonal events give families more ways to use the Academy.
Our Programs
Lil' Ninjas
Watch your little ninja grow strong inside and out! Our Lil' Ninjas classes (ages 3–5) build balance, strength, and confidence through obstacle play.
Kids Classes
Obstacle course fun meets fitness! Kids build strength, confidence, and coordination through age-based ninja classes - for ages 6 and up.
Elite Team
Ready to push past limits? Our Elite Team trains harder, tackles tougher obstacles, and competes at the highest level.
Kids Camps
School's out - fun is in! Academy camps give kids (ages 6–15) a week of obstacle skills, coaching, and great memories.
Birthday Parties
Level up your child's birthday! Ninjas run, jump, and conquer obstacles while you relax - no stress, no mess. Enjoy private party rooms.
Special Events & Open Gym
Let the energy fly at Open Play! Kids (ages 3+) run, climb, and explore ninja obstacles at their own pace - perfect for drop-in fun.
Activities + classes
Ninja classes for the youngest athletes.
UN Academy Ninja classes introduce little ninjas to tackling and conquering obstacles. Class offerings range from parent-involved beginning movement through independent skill-based obstacle classes for ages 9 months through 8 years old.
At the Naperville Academy, kids develop coordination and strength through balancing, hanging, jumping, climbing, and running while building self-confidence and teamwork in a safe, positive environment.
Open gym
Open Play
Looking for something active, fun, and safe to do with your kids? Check out our open play sessions!
Your local Naperville Ultimate Ninjas Academy provides a fun and challenging environment where kids can run, climb, and explore ninja obstacles at their own pace.
What are people saying?
Naperville
Academy schedule
Current class and open play blocks from the Naperville Academy schedule.
Mini Ninjas
Ages 1 - 3 (30 min)
Saturday
9:00 - 9:30 AM
Lil Ninjas
Ages 3 - 5 (50 min)
Mon, Fri
10:00 - 10:50 AM
Mon, Fri
11:00 - 11:50 AM
Saturday
10:05 - 10:55 AM
Mon, Tue, Wed, Thu, Fri
4:00 - 4:50 PM
Mon, Tue, Wed, Thu, Fri
5:00 - 5:50 PM
Jr Ninjas
Ages 6 - 8 (50 min)
Saturday
9:00 - 9:50 AM
Saturday
10:05 - 10:55 AM
Mon, Tue, Wed, Thu, Fri
4:00 - 4:50 PM
Mon, Tue, Wed, Thu, Fri
5:00 - 5:50 PM
Mon, Tue, Wed, Thu, Fri
6:00 - 6:50 PM
Open Play - Level 2
Ages 1 - 4 (free for enrolled students)
Thursday
9:45 - 10:45 AM
Sunday
10:45 - 11:45 AM
Open Play - Level 3
Ages 3 - 8 (free for enrolled students)
Sat, Sun
12:00 - 1:00 PM
Homeschool Open Play
Ages 1 - 6+
Thursday
12:00 - 1:00 PM
Who we are
Little Ninjas live by a code.
FRIENDSHIP
Little Ninjas are kind
RESPECT
Little Ninjas are great listeners
SUPPORT
Little Ninjas cheer for their friends
TEAMWORK
Little Ninjas help their friends
TRUTH
Be YOU
HAVE FUN!!!!
Next big thing in sports
Ninja makes its Olympic debut in 2028.
Ninja will make its debut in the 2028 Olympics, and your child has the chance to be part of this growing movement. Academy classes are a playful introduction to the skills and challenges behind the sport.
Strength & Agility
Running, jumping, and climbing through obstacle courses make little ninjas strong and quick.
Balance & Body Control
Balancing on beams and navigating obstacles helps kids control their bodies and stay steady.
Fun & Perseverance
Ninja training teaches kids to keep trying, even when challenges feel tough.
Frequently Asked Questions
Academy FAQ
Good to know before you enroll.
Quick answers about age ranges, class structure, and what to expect on your first visit.
Ages
9 months to 8 years
Attire
Comfortable clothes + closed-toe shoes
Waiver
Required before first class
What ages are Academy classes designed for?
Our programs run from 9 months through 8 years old, with age-specific classes from parent-involved movement play up to independent skill-based obstacle courses.
How is the Academy different from the main gym?
The Academy is specifically designed for young children. Classes follow a structured curriculum focused on early movement development, confidence-building, and age-appropriate challenges.
How long are classes?
Most classes are 50 minutes. Mini Ninjas (our youngest group) are 30-minute sessions. Class length varies by age group.
Do parents need to stay during class?
For our youngest classes (Mini Ninjas and early Lil Ninjas), parents participate in class with their child. Older age groups are drop-off.
Is there a trial class option?
Yes. We offer a $20 trial class so you can try any program before committing to enrollment. Book through the link above.
What should kids wear?
Comfortable, form-fitting clothes they can climb and jump in. Closed-toe shoes are required. We recommend leggings or athletic pants - no skirts, shorts, or sandals.
Naperville, IL
Kids birthday parties with built-in movement.
Looking for a fun, active idea for your child's birthday party? Naperville ninja party packages are built for a stress-free, screen-free celebration with obstacles, indoor play areas, ninja challenges, and a party room.
Naperville, IL
