Membership plans
- 1 month$49
- 3 months$124
- 6 months$224
- 1 year$374
Ultimate Ninjas Naperville
Open Play
Drop in, swing around, head home tired.
Open play is the simple version: bring the kids, let them move and use the gym without committing to a weekly class.
This week's drop-in times
Open play
Fri6:30 pm – 8:30 pm
Sun9:30 am – 11:30 am
Family open play
Fri6:30 pm – 8:30 pm
Sat9:30 am – 11:30 am
Sun9:00 am – 12:00 pm
Adult open gym
Wed7:00 pm – 9:00 pm
The Lil' Ninjas area is for ages 3 to 6. The main course is for ages 6 and up.
What to bring
Water, socks if needed, and clothes that can handle climbing.
How it works
Arrive, check in, review safety expectations, then play.
Best for
Rainy days, weekend energy, sibling groups, and first-time visitors.
Frequently Asked Questions
FAQ
Open Play – Naperville
What is open play in Naperville?
Unstructured course time on Corporate Lane. Supervised, not coached like class.
Reserve Naperville open play?
Please do. Caps are enforced. Walk-in only if space remains.
Ages for Naperville open play?
The Lil' Ninjas area is for ages 3 to 6. The main course is for ages 6 and up.
Adults at Naperville open play?
Yes, with waivers, and you watch your own little ones.
What can kids use at Naperville?
The open course for that window.
Session length in Naperville?
Typically 60–90 minutes as listed when you book.
Snow day in Naperville — open play still on?
If the gym is open, yes. Indoor.
What to wear in Naperville open play?
Athletic clothes, closed-toe shoes, water.
How to book Naperville open play?
Naperville booking, waivers, arrive before start. (630) 381-4040.
Find a class that fits your week.
Consistent class blocks make it easier to plan around school, weekends, and party time.
Kids Classes
M-W-Th
4:00 pm - 7:00 pm
Tue
2:00 pm - 7:00 pm
Fri
2:30 pm - 6:30 pm
Sat
9:00 am - 11:00 am
Open Play
Fri
6:30 PM - 8:30 PM
Sun
9:30 AM - 11:30 AM
Birthday Parties
Sat
11:00 am - 7:40 pm
Sun
12:00 pm - 6:00 pm
ULTIFIT | Adult Classes
Mon–Fri
5:30 am - 10:00 am
Mon–Wed
5:00 pm - 7:00 pm
Sat
6:30 am - 10:00 am
Adult Open Gym
Wed
7:00 pm - 9:00 pm
Open play prices
What open play costs here.
The Lil' Ninjas area is for ages 3 to 6. The main course is for ages 6 and up.
Friday night and Sunday morning
- 1 hour, per person$15
- 2 hours, per person$25
- Parent add-on, per person$12
Weekday daytime
- 1 hour, per person$10
Prices listed September 2026.
This Location
Ultimate Ninjas
2012 Corporate Ln STE 120
Naperville, IL 60563
(630) 381-4040
naperville@ultimateninjas.com
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Naperville, IL 60563
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