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Inflatable Rentals for Kids' Parties: Space, Power and Safety

Inflatable rentals for kids' parties: how to choose the right size, check power requirements, supervise safely and avoid problems at return.

Published on Nov 3, 2026

Inflatable rentals: types and the right age group

Inflatables for children's parties come in several formats: the classic bounce house (3 x 3 m or 4 x 4 m), the inflatable slide (usually 4 to 6 m long), the combo castle with slide, and the ball pit (generally 2 x 2 m or 2 x 3 m). The recommended age range varies: smaller models suit children aged 2 to 8; larger slides work better for children 4 and up with good motor coordination.

Before choosing, consider the age of most guests and the space available in your backyard or event room. An inflatable that is too large for toddlers becomes hard to supervise; one that is too small for older kids loses its appeal in minutes.

Power outlet, wattage and minimum space for setup

Every inflatable runs on an electric blower motor that stays on continuously during use. A 3 x 3 m bounce house consumes roughly 700 W to 1,000 W. Check with the owner before confirming whether the blower requires a 110 V or 220 V outlet and whether the motor cable reaches the nearest power point.

Extension cords longer than 10 m need cable rated at least 2.5 mm² to avoid overheating. The floor area must be 1 to 1.5 m larger than the inflatable on each side to allow anchoring and safe movement around it.

Bounce house rental: anchoring and mandatory adult supervision

Proper anchoring uses ground stakes on grass or sandbags on hard floors. Without it, the inflatable can shift under the weight of the children. An adult must supervise at all times. The maximum occupancy (usually 4 to 6 children at once for a 3 x 3 m model) prevents seam blowouts and tipping.

When confirming your reservation, ask the owner in the chat about the maximum capacity per session and whether anchoring equipment is included or needs to be arranged separately.

Renting a ball pit: hygiene, ball count and what to return

A ball pit usually comes with 500 to 1,000 balls depending on the model. Before confirming, use the in-app chat to ask whether the balls have been cleaned and whether there is a deposit for lost balls, which is common since a few tend to disappear during parties.

At return, collect all scattered balls, dry any that got wet and pack everything back into the original bags. Dirty or wet balls returned carelessly may be deducted from the deposit.

Rain and strong wind: when to shut off the blower immediately

Inflatables and rain do not mix: the inner floor becomes slippery in seconds and the electric motor cannot run wet. If rain starts during the party, switch off the motor right away and get the children out before the structure begins to deflate. Wind above 30 km/h, noticeable when light objects around you start flying, also calls for an immediate stop.

Have a covered backup area ready for the children while they wait for better weather. This simple precaution prevents falls and shows the owner you cared for the item.

Questions to ask in the chat before confirming the reservation

The Alugoae chat exists for exactly this conversation before you book. Use it to confirm: the blower voltage, the cable length, whether stakes and anchoring gear are included, the maximum number of children at once, the vinyl condition (no fresh patches that could come loose) and the exact pick-up and return times.

When these points are answered in writing inside the chat, both you and the owner have a timestamped record of everything agreed. That resolves most questions without a phone call, before the rental even begins.

Frequently asked questions

What is the minimum space needed to set up a bounce house?

The inflatable needs a floor area 1 to 1.5 m larger on each side for anchoring and safe circulation. A 3 x 3 m model requires at least a 5 x 5 m clear area with no overhead obstacles.

Do ball pit balls come cleaned?

It depends on the owner. Ask in the chat before confirming and note the answer. At return, collect scattered balls, dry any wet ones and pack them back into the original bags to avoid deposit deductions.

What should I do if it rains while the inflatable is in use?

Switch off the blower immediately and get all children out. The inner floor becomes slippery in seconds and the electric motor cannot run wet. Wait for everything to dry before turning it back on.

Browse inflatables and party items available in Itajaí, Balneário Camboriú and Navegantes and book through the app.

Inflatable Rentals for Kids' Parties: Space, Power and Safety | Alugoae