22' Dual Wacky Dry Slide
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- Actual Size: 30' L x 14' W x 22' H
- Setup Area: 40' L x 25' W x 22' H
- Outlets: 1 110V Outlet within 100ft
- Age Group: 5 years and up
- Attendants: Min. 1 Adult
- Booking OptionsMost PopularOvernightKeep the party going$607.50Standard4 Hours$450.00Extended4-8 Hours$540.00Weekend2 Day Rental$742.50
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- $450.00
22' Dual Wacky Dry Slide
A specialty large-event dry slide built for schools, churches, and festivals — where the line never really stops
When your event needs a slide that can actually keep up with the crowd, the 22' Dual Wacky Dry Slide delivers. This isn't a typical backyard rental — it's a specialty large-event inflatable built for schools, churches, festivals, and community gatherings where hundreds of participants cycle through in a single day. At 22 feet tall with two racing lanes, event organizers consistently tell us the same thing: they couldn't believe how big it was in person — and the kids just keep getting back in line. It's been a staple at St. Charles County school field days and church festivals across O'Fallon, St. Peters, Wentzville, and beyond. Standard 4-hour rentals start at $450, with extended and overnight options available.
Review the details below → check availability → reserve your event date
* This is a dry slide — no water source required. One standard 110V outlet within 100 feet is needed to power the blower. A 100' extension cord is included. Delivery fees are calculated at checkout based on your event address.
"They couldn't believe how big it was in person — the kids just kept getting back in line to go down it again and again. It ran nonstop the entire event."
— What event organizers consistently tell us after their first rental
Simple, Transparent Pricing
No hidden fees. No surprises at checkout. Delivery, setup, and pickup are included in every rental.
Delivery fee calculated at checkout based on your event address. Check your date and see the full total →
Turn the Slide Into a Full Event
The Wacky Slide draws the crowd — keep them entertained, fed, and coming back for more with these add-ons built for bigger events.
When You Need a Slide That Can Handle the Crowd
The 22' Dual Wacky is built for events where the line never really stops — the kind of gatherings where you need a rental that earns its keep all day long.
What Makes the Wacky Slide the Right Call for Big Events
🛡️ Fully Insured. COI Available at No Charge.
We carry full liability insurance and a Certificate of Insurance is available for schools, churches, parks, and any venue that requires one. Just request it when you book. No extra paperwork, no added fees — we'll have it ready for you.
📏 Space & Setup
A clear setup area of 40' L x 25' W x 22' H is required. This is a large unit — confirm your venue has the open space and no overhead obstructions before booking.
Our crew handles the heavy lifting. We deliver, inflate, and anchor the slide, walk your team through safety guidelines, and return for full pickup when your event wraps up. COI available for schools and churches at no charge.
⚡ Power & Weather
One standard 110V outlet within 100 feet of the setup area is required to power the blower. No water source needed — this is a dry slide only. A 100-foot extension cord is included.
Planning an outdoor event? If weather becomes a concern, reach out the night before and we'll work with you on rescheduling. We want your event to go off without a hitch.
⚡ Built to Move a Crowd — and Keep Them Coming Back
Event organizers who rent this slide for the first time almost always say the same thing: they couldn't believe how big it is in person. And once the kids get on it, the line doesn't stop. They just keep cycling back around for another run.
That's by design. Two lanes, a center ladder, and a controlled landing zone mean two participants complete a full run simultaneously, every single cycle. For schools and churches running 100+ kids through over a few hours, that throughput makes the difference between a smooth event and a frustrated crowd standing in a slow single-file line. It's exactly why PTOs and event coordinators across St. Charles County keep coming back to this slide year after year.
22' Dual Wacky Dry Slide FAQs
The dual-lane design is the key. Two participants can climb, ride, and exit at the same time on every single cycle, which roughly doubles the throughput compared to a single-lane slide. For events where you're moving 100 or more participants through over a few hours, that efficiency makes a real difference in keeping lines manageable and guests engaged the whole time.
Standard 4-hour rentals start at $450. Extended rentals (4–8 hours) are $540, overnight is $607.50, and weekend 2-day rentals are $742.50. Delivery, setup, and pickup are included in every rental. Your delivery fee is calculated at checkout based on your event address, and there are no hidden charges.
The slide stands 22 feet tall with an actual footprint of 30 feet long by 14 feet wide. The required setup area is 40 feet long by 25 feet wide by 22 feet tall. It is one of the largest dry slides in our rental lineup. Make sure your venue has adequate open space and is clear of overhead obstructions like tree branches, power lines, or structures before booking.
No. The 22' Dual Wacky is a dry slide only and no water source is needed at your venue. The only requirement is one standard 110V electrical outlet within 100 feet to run the blower that keeps the unit inflated. A 100-foot extension cord is included with your rental.
Yes. Backyard Party Rentals is fully insured and a Certificate of Insurance is available to schools, churches, parks, and any venue that requires one. Just request it when you book and we'll have it ready at no additional charge.
The 22' Dual Wacky Dry Slide is designed for ages 5 and up. The height and size of this unit make it better suited for school-age kids through adults rather than toddlers. At least one adult attendant is required at all times during operation.
Contact us the night before your event if storms or high winds are in the forecast. We offer hassle-free weather reschedules, which is especially important for large outdoor events like festivals and field days where weather can shift quickly. We'd rather reschedule than have your event compromised by a storm.
What Customers Are Saying
300+ five-star Google reviews from real customers across St. Charles County and beyond
Dry Slide Rentals in Wentzville & Surrounding Areas
We deliver dry slide rentals for school field days, church festivals, community events, birthday parties, and large outdoor gatherings throughout Wentzville, Wright City, St. Charles County, Warren County, Lincoln County, and nearby Missouri communities.
⭐ Family-owned · Fully insured · COI available · Delivery and setup included
Check Availability for the 22' Dual Wacky Dry Slide
Large-event rentals book out early, especially for spring field day season and fall festivals. Dates go fast. Lock yours in before it's gone.
Our 22' Dual Wacky Dry Slide rental in Wentzville, MO is a go-to choice for schools, churches, community organizations, and event planners searching for large dry slide rentals in O'Fallon, St. Peters, Lake St. Louis, Troy, Warrenton, Wright City, St. Charles County, Warren County, Lincoln County, and surrounding Missouri communities. Backyard Party Rentals, family-owned since 2019, provides clean safe inflatable rentals with professional delivery, setup, and pickup for school field days, church festivals, community carnivals, fall festivals, and large outdoor events where high-capacity crowd-friendly inflatables make the biggest impact. COI available for schools and municipalities at no charge.
