How do you choose a safe bouncy castle for your backyard?

What to check before renting a bouncy castle for a backyard party: space, weather, anchoring, supervision and choosing the right model for the kids' ages.

Short answer

Choose a game designed for the ages and number of kids at your party. It should be set up on flat, soft ground with at least 2 metres of clearance all around, and properly anchored. An adult should supervise the kids at all times. Ask for the model's wind limit in writing, and don't use it in the rain.

Safety depends mostly on the setup, the weather and the rental company's rules: ask them these questions before you book.

✓ Count the kids and their ages

Note the youngest and oldest ages, and how many kids will be there at the same time. Compare those numbers with the age range and capacity listed for each model.

✓ Measure your yard

Plan for the game's footprint plus at least 2 metres of free space on every side. Check that no branches or power lines run above the spot.

✓ Check the ground

The ground should be flat and soft. Clear away rocks, toys and debris, and avoid slopes or spots close to a pool, a fence or a wall.

✓ Find a power outlet

The blower runs continuously and must stay plugged in the whole time. Ask the rental company how far an extension cord can go and what kind of outlet it needs.

✓ Confirm access to the yard

The game arrives rolled up and has to get to your yard. Before booking, ask how wide the path needs to be, and mention any stairs or narrow gates.

✓ Ask how it will be anchored

On grass, stakes are normally used. On a hard surface, weights such as sandbags are used instead. Make sure the installer anchors every point the manufacturer specifies.

✓ Get the wind limit in writing

There is no universal threshold: every model and every rental company has its own limit. Ask for the limit of the model you're renting, in writing.

✓ Have a rain plan

A wet inflatable gets slippery, so play stops as soon as it rains. Read the cancellation or rescheduling policy before you sign.

✓ Name a responsible adult

Someone should watch the game at all times, enforce the maximum capacity and group kids of similar size together. Shoes, sharp objects and food stay outside.

Explorer bouncy castle with a slide, set up on grass

The Explorer: ages 3 to 10, up to 12 kids at a time.

CriteriaCommercial inflatable (rented with setup)Residential inflatable (bought)
MaterialHeavy PVC vinyl, built for repeated useLighter nylon fabric, built for occasional family use
Intended useParties, schools, frequent eventsA few kids from the same family
SetupDone by the rental company, anchoring includedDone by you, following the manual
Weather watchThe rental company applies its own wind and rain limitsYou have to check the wind and rain yourself
Cleaning, repairs, storageHandled by the rental companyUp to you, with dry storage space
What doesn't changeClearance, anchoring and supervision are still requiredClearance, anchoring and supervision are still required
Forest Slide toddler bouncy castle with a slide and a ball pit

Forest Slide: designed for ages 3 to 6, 5 kids at a time.

Frequently Asked Questions

Start from the kids' ages and how many will play at the same time, then check that your yard has flat, soft ground with 2 metres of clearance around the game. Insist on full anchoring and a written wind limit for the model. Finally, plan for an adult to watch the game for the whole party.

Yes, when they are set up properly and supervised. The main risks come from too many kids at once, wind and rain. Respecting the capacity, stopping in bad weather and separating kids by size reduces those risks.

Know your yard's dimensions, where the power outlet is and the access path for delivery. Ask the rental company for each model's age range and capacity, its wind limit and its rain policy. Also confirm who sets up, anchors and takes down the game.

Yes, if there's room: flat, soft ground with at least 2 metres of free space around the structure. The spot must also be clear overhead (branches, wires) and close enough to an outlet for the blower.

A commercial model is usually made of heavy PVC vinyl and built for repeated use. A residential model is made of lighter nylon, meant for a few kids at home. Either way, safety depends on anchoring, inspection and supervision, not just the label.

For a one-off party, renting with setup is usually simpler. The rental company handles anchoring, cleaning, repairs and the weather check. If you buy, add maintenance time, dry storage space and watching the wind every time you use it.

Choose a model whose capacity covers the whole group. At Cool Games, the Explorer, the Harry Potter castle, the Road Runner course and Floor is Lava each hold 12 kids at a time, and the Deep Sea double slide holds 10. For a group of mixed ages, an obstacle course keeps kids moving and cuts down the waiting.

At Cool Games, the Forest Slide is designed for ages 3 to 6 (5 kids), and Crazy Land for ages 2 to 5 (5 kids). The themed castles Paw Patrol, Frozen, Super Mario, Superheroes and Avengers are for ages 2 to 10 (8 kids). For toddlers aged 1 to 3, there are the Mini Safari and Mini Mickey.

Older kids love a challenge: Obstacle Master (ages 4 to 12, 8 kids), Floor is Lava (ages 4 to 14, 12 kids) and the Deep Sea double slide (ages 3 to 12, 10 kids). The Harry Potter castle is for ages 3 to 12. The sensor games Galactic Wars and Baseball Slugger Challenge keep score automatically, which works well in groups.

There is no single threshold: each model has its own limit, set by the manufacturer or the rental company. Ask for it in writing before the party, keep an eye on the wind while it's in use and get the kids out as soon as the limit is reached. When in doubt, stop.

No. The surface gets slippery, so stop using it as soon as it rains. Check your rental company's rescheduling or cancellation policy in advance.

Plan for at least 2 metres of clearance around the structure. That space must be free of fences, walls, patio furniture and toys. Also check that no branches or wires run overhead.

No more than the capacity listed for the model: too many kids at once is one of the main risks. At Cool Games, capacity ranges from 5 kids (Forest Slide, Crazy Land) to 12 kids (Explorer, Harry Potter, Road Runner, Floor is Lava). Also have kids of similar size jump together.

Yes. The blower keeps the structure inflated and has to stay plugged in the whole time. Tell the rental company where the nearest outlet is, and ask which extension cord it accepts.

Obstacle Master inflatable obstacle course

Obstacle Master: an obstacle course for ages 4 to 12, 8 kids at a time.

In summary

A well-chosen bouncy castle takes a few checks: the kids' ages and number, 2 metres of clearance, flat ground, solid anchoring, a written wind limit and an adult watching. The rest is up to the rental company.

Cool Games delivers and sets up commercial-grade inflatables in Montreal, the West Island and surrounding areas. Send us the kids' ages and a few details about your yard, and we'll suggest the right models. Browse our bouncy castle catalog (ages and number of kids listed for every model) or request a quote.