There are always going to be things that you must have when travelling. Passport, tickets, money, the usual. Family travel insurance is also one of them. You could call it an essential. But did you know that having a car booster seat is essential – as it is in the UK - if you intent to drive anywhere in Europe? It is law in Europe for children between the ages of 3 and 12 (unless they are taller than 135cm) to have an age-appropriate car seat. So if you fly-drive it’s something you’ve either got to take with you or hire when you get there.