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Why Simple Rules Matter More Than You Think

A bouncy castle is one of the few things at a children's party that makes every age group grin at the same time. Inflatables are soft, forgiving and endlessly repeatable, which is exactly why children forget themselves on them within about thirty seconds of climbing in. Accidents on bouncy castles are rarely dramatic. They are usually the result of two children landing on the same patch of vinyl, a trainer meeting a bare knee, or three children heading down a slide at once. Almost all of it is preventable with a short set of rules that every child understands before the first bounce.

The trick is to agree those rules before the party starts, not in the middle of it. A two-minute briefing at the entrance, delivered cheerfully with everyone standing still and listening, works far better than shouting reminders over the noise an hour later. Repeat the same briefing to parents as well, so nobody feels awkward about enforcing it when their child is the one breaking it.

Shoes, Socks and Spectacles: What Children Should Wear

Clothing and footwear cause more damage and more injuries than anything else. Set these expectations early and hold the line, even when a child insists their trainers are "too cool to take off".

• Shoes and trainers come off. Hard soles grip the vinyl, catch on stitching and land heavily on other children. A strict no-shoes rule protects both the inflatable and the people on it.
• Socks stay on. Socks reduce friction burns on the bounce surface and keep things a little more hygienic, particularly on a warm afternoon.
• Glasses come off. Spectacles catch on flailing limbs and can break. Collect them at the entrance and hand them to a responsible adult, or keep a labelled tub nearby.
• Remove jewellery, watches and hair accessories. Earrings, necklaces, badges, buckles, zips and sharp hair slides all have edges that can catch skin or puncture vinyl.
• Empty every pocket. Keys, coins, phones, small toys and wrapped sweets become hard, fast-moving objects on a bouncy surface.
• Skip face paint if you can. Most children's face paints leave marks, and a painted face tumbling onto vinyl is a recipe for a stained costume and a stained castle.

It helps enormously to set up a shoe and sock station a few metres away: one crate for footwear, one chair for glasses and watches. Children learn the routine quickly when there is an obvious place to leave things.

Keep Food, Drink and Sticky Things Off the Inflatable

Food and inflatables do not mix, and this is a rule worth being firm about from the very first minute.

• No food, sweets, ice lollies or chewing gum on the bouncy castle or slide. Crumbs and melted sugar make the surface slippery and sticky, and sugar attracts wasps.
• No drinks, including water bottles and juice cartons. Spills turn vinyl into a skating rink in seconds.
• No party poppers, confetti or glitter on or near the inflatable. Tiny pieces work their way into seams and are almost impossible to remove.
• Keep pets well away. Claws puncture vinyl, and a dog chasing children around a bouncy castle is an accident waiting to happen.

Make eating a separate activity in a separate place. Serve party food at a table away from the inflatable, and let children bounce before they eat rather than straight afterwards. A full tummy and vigorous bouncing do not sit comfortably together.

How Many Children at Once?

Overloading is one of the most common causes of bouncy castle injuries. Every inflatable has a stated maximum number of users, and that figure is not a suggestion. It is calculated from the size of the bounce area and the age group the unit is designed for, so always follow the number given by whoever supplied the equipment, and apply it for the whole session rather than just the first enthusiastic ten minutes.

As a rough guide, many operators work on approximately one child per 1.5 square metres of bouncing area. That means a smaller castle might comfortably suit six to eight younger children, while a larger one might take ten to twelve. If you are unsure, fewer is always better.

• Group by size, not by age. A tall eight-year-old and a small four-year-old are a poor combination. Give different age groups separate turns instead.
• One at a time on slides. Feet first, sitting or lying down, and no climbing back up the slide itself.
• No somersaults, wrestling, pushing or pile-ons. These moves account for most soft-tissue injuries.
• Keep the entrance and exit clear. A child sitting in the doorway will be landed on.
• Adults stay off unless the inflatable is specifically designed and rated for adult use.
• Count heads before and after each turn. A quick number check saves a lot of unnecessary panic later.

An Adult Must Be Watching at All Times

This is the rule that holds all the others together. Somebody needs to be watching the inflatable every second it is in use. Not sitting nearby with a cup of tea, not checking a phone, not popping inside to fetch the cake. Children cannot police each other reliably, and they will not spot the moment a game turns rough or a queue at the ladder gets pushy.

Whoever is watching should stand close to the entrance, where they can see the whole bounce surface and the landing area at the bottom of the slide. Their only job is supervision. If you need a break, rotate with another adult every twenty minutes or so, but make the handover explicit: "You're on the castle now." If nobody can watch, the inflatable gets switched off. No exceptions, however much pleading follows.

A few extra habits make that supervision much easier:

• Clear the surrounding area of toys, garden furniture, bikes and anything else a child might land on.
• Position the inflatable on grass or another soft surface, well away from ponds, patios, fences and overhanging branches.
• Check that every anchor point is secure and that the blower sits on firm, dry ground with its cable safely out of the way.
• Stop bouncing in strong wind or heavy rain. Most operators advise deflating once gusts approach roughly 24mph, and it is always fine to call it early.

None of this takes the fun out of anything. Children bounce just as hard, laugh just as loudly and wear themselves out just as thoroughly under a short, clear set of rules. You simply spend the afternoon relaxing instead of hovering, which is exactly how a party should feel.