Having a balloon party might save you money at the same time make your child and guests very happy. Kids expect a cake and balloons during a birthday party. If our goal for throwing birthday parties is to make our kids and guests happy, then why not let them enjoy; kids love balloons.
A balloon birthday party might just be answer Here are some ideas on how to do a balloon party: https://www.balloontime.com/Blog/BlogDetail/11-06-13/Best_Party_Ideas_for_Kids_of_All_Ages.aspx
You can also design your own birthday balloons. In UK, they have something like these sites:
Another idea during the party would be for kids to make the balloons themselves aside from those already decorated for the party. These balloons can also be used for the balloon games. Some of the balloons they can bring home too.
Balloon party does not have to be complicated. Adults want to complicate things while kids often can be happy with simple things. So if the party is for the kids, keep it simple and fun.
Visit this page to get more about birthday ideas.