The Supervisor's Role: More Than Just Watching

A bouncy castle is a highlight of any children's party, but it needs a responsible adult in charge. The supervisor is not there to stand nearby with a cup of tea. They actively manage play, watch for risks, and step in before small bumps become bigger problems. A calm, alert supervisor is the single most effective safety measure.

Before the party, decide who will supervise and when. Ideally, one adult should be on the castle at all times. If you are hosting, ask another parent to share the job. Whoever is on duty must be free from distractions: no phone scrolling, no long conversations, no popping inside. Your eyes need to be on the children.

Position yourself where you can see the whole bouncing area, including the entrance and any slide. If the castle has a roof or netting, check you can still see inside. Stand close enough to speak clearly without shouting, but not so close that you become part of the play. A calm presence sets the tone.

Set Clear Rules Before the First Bounce

Children behave better when they know what is expected. Gather everyone before anyone steps on and explain the rules simply and positively. Tell them what to do, not just what not to do: "We sit on our bottoms to slide down" rather than "Don't slide headfirst."

Here are the essential rules for safe bouncing:

• No shoes, no socks. Bare feet are often safest, but check the hire company's advice.
• No food, drink, or sweets on or near the castle. Spills make the surface slippery and attract wasps.
• No somersaults, flips, or wrestling. These cause the most serious injuries.
• One child at a time on the slide and no climbing up it.
• Keep away from the entrance when others get on or off.
• No hanging on the netting or walls.

Repeat the rules every hour or so, especially with younger children. A quick reminder keeps everyone on track.

Limit Numbers and Group Children by Size

Overcrowding causes accidents. The number of children allowed depends on the castle's size and the users' age. As a guide, a standard 12ft by 12ft castle safely holds six to eight children under eight. For older children, reduce to four or five. Always follow the hire company's maximum capacity.

Size matters as much as numbers. A toddler bouncing with a tall ten-year-old can be launched into the air or knocked over. Group children by size and age. Let little ones bounce together, then swap to bigger children. For mixed ages, use a rota: ten minutes for under-fives, ten for over-fives. This also ensures fair turns.

If the castle has a slide, send one child down at a time and keep the landing area clear. A supervisor at the bottom can control this easily.

Watch for Collisions and Risky Play

Even with rules, children test boundaries. Spot risky behaviour early and redirect it calmly. Collisions happen when children bounce towards each other, try to out-bounce a neighbour, or lie down in the middle. Watch for children sitting or lying on the mat, as they can be trampled.

Be alert to these warning signs:

• Head-to-head bounces: Two children bouncing at each other can clash heads or knock teeth.
• Flips and tumbles: Forward rolls or backflips often end in a neck or wrist injury.
• Climbing the walls: Children climbing netting or the outside can fall awkwardly.
• Exhaustion: Tired children become clumsy. If a child slows down or looks pale, call them off for a drink and rest.
• Pushing and shoving: This is common near the entrance or slide.

When you spot a problem, step in immediately but calmly. Use a firm voice: "Please sit down while you slide. That keeps your head safe." Give a clear instruction and a reason. If a child keeps breaking rules, ask them to take a five-minute break. This is a chance to reset, not a punishment.

Keep the Peace: Fair Turns and Calm Authority

A calm supervisor creates a calm atmosphere. Children pick up on adult anxiety, so stay relaxed and confident. Use a timer for turns, especially with a large group. A kitchen timer set for three minutes per child works wonders. Children understand a timer better than "a few more minutes."

Praise good behaviour: "Well done for waiting, Lily. You can go next." Positive reinforcement works better than nagging. If two children argue over who was first, don't work out who is right. Say, "Let's do rock, paper, scissors, then the other person goes straight after." Keep it quick and fair.

Younger children may need help getting on and off. Have a step or sturdy box nearby, and hold their hand as they climb on. Never let a child bounce while holding a drink or toy that could cause a trip.

Finally, know when to stop. If children are tired, hungry, or overexcited, deflate the castle or move to a quieter activity. A supervised bounce should end happily, not with tears or a bump. Your calm, watchful presence makes that possible.