Gone are the days when partying is simply flat. moment, a lot of parties are really over the top and extravagant. Before, people only dress up for Halloween but now that theme parties are the thing, you also have to acclimatize to the theme. Theme party planning is noway an easy task whether you're the host or the guest. Theme parties are really not that new to children's party because you have presumably been to parties where there are magicians and this is simply called a festival or circus party. It's also common during children's parties to pick a cartoon character or show that the partyer likes and the parents produce the scene from there. galettes, spoil bags and phylacteries are also essential when it comes to hosting children themed parties.