On Saturday, five children were hospitalised after two separate incidents in which jumping castles were lifted into the air by high winds.

In one incident, two children were tossed out of a jumping castle and received upper body injuries at a birthday party near Geelong in Victoria. In the second incident, in Sydney, two children and an infant were injured.

So should we be worried about letting kids on jumping castles? As an expert in the safety of amusement rides and playground equipment, I can say that jumping castles are for the most part very safe – as long as operators follow the safety rules.

So what are the rules?

In Australia, anyone operating an amusement ride needs to comply with the relevant health and safety laws. This is the Work Health and Safety Act in all states and territories except Victoria, which uses the Occupational Health and Safety Act.

How the legislation is interpreted is slightly different in each state and territory. However, for inflatable amusement rides they are all essentially the same.

Those state-based regulations in turn may require operators to comply with Australian........

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