Membership plans
- 1 month$49
- 3 months$124
- 6 months$224
- 1 year$374
Ultimate Ninjas Chesterfield
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 gym
Fri6:30 pm – 7:30 pm
Sat10:00 am, 11:00 am
Sun10:00 am – 11:00 am
Ages 18 months and up. Closed-toe shoes are required. Check the schedule for days and times.
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 – Chesterfield
What is open play in Chesterfield?
Free-roam time on the Long Road course. Supervised, not a class.
Reserve Chesterfield open play?
Recommended. Capacity is limited.
Ages for Chesterfield open play?
Ages 18 months and up. Closed-toe shoes are required. Check the schedule for days and times.
Adults at Chesterfield open play?
Yes, waived, and you stay with little kids.
What equipment at Chesterfield?
The open course for that booking.
How long is Chesterfield open play?
Typically 60–90 minutes.
STL storm day — still happening?
Indoor. If we're open, the window runs.
What to wear in Chesterfield open play?
Athletic clothes, closed-toe shoes, water.
How to book Chesterfield open play?
This gym's booking link, waivers, arrive early. (636) 206-8550.
Find a class that fits your week.
Consistent class blocks make it easier to plan around school, weekends, and party time.
Kids Classes
Mon, Tue
12:30pm, 4:30pm, 5:30pm, 6:30pm
Wed
9:00am, 12:30pm, 4:30pm, 5:30pm, 6:30pm
Thu
12:30pm, 4:30pm, 5:30pm, 6:30pm
Fri
9:00am, 12:30pm, 4:30pm, 5:30pm
Kids Birthday Parties
Sat
12:40pm – 7:20pm
Sun
12:00pm – 7:20pm
Open Gym
Fri
6:30pm – 7:30pm
Sat
10:00am, 11:00am
Sun
10:00am – 11:00am
Open play prices
What open play costs here.
Ages 18 months and up. Closed-toe shoes are required. Check the schedule for days and times.
Open play tickets
- 1 hour, per person$18
- 2 hours, per person$25
Prices listed September 2026.
This Location
Ultimate Ninjas
140 Long Road, Suite 130
Chesterfield, MO 63005
(636) 206-8550
chesterfield@ultimateninjas.com
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Chesterfield, MO 63005
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