The EU toy safety directive, agreed and implemented by Government, states that balloons must not be blown up by unsupervised children under the age of eight, in case they accidentally swallow them and choke.
As a practical matter this means that children aren't going to be allowed access to balloons at all. European balloons must be sold only to trained, licensed mimes.
Also banned are those fwippy things that children blow into and then they roll out like a, you know. Those things are banned for children under 14 because they can poke out eyes. As a practical matter, this means they're banned period. Europeans above the age of fourteen have better things to do with their time: things like alcohol, heroin, sodomy, wrist-slitting, writing regulations, and pogroms.
It would be interesting to know how many European children have died or been seriously maimed by unlicensed balloons, or lost eyes from rogue fwippy things roll out like a, you know. The Union doesn't say. A few years ago we engaged in a scientific study of a similar threat, based on efforts by American nannies to place warning labels on hot dogs.
We concluded that your child's odds of choking to death on a hot dog are, at a maximum, one in 181,230. And possibly much lower.
Thanks to the nannies of the European Union, the odds that a given child will grow up to be a coddled, emotionally stunted dweeb are getting higher every day.