Paint filled water balloons perfect for a Summer Paint War! Filling the balloons with paint is easy, and you can even make your own liquid paint using just two ingredients! Wear white shirts- whoever is the least covered wins!(Fun for the whole family)
This link has a ton of unexpected things to do with balloons. Definitely doing this for my birthday! Also put a message in a balloon and give it to someone so when it pops, they get the message!
YES PLEASE Money Balloons - a cool way to present money as a gift, esp for a young person (as opposed to a boring check in a card). I have a friend whose parents blow up a balloon and put a one dollar bill in it and have the number of balloons for how old their kid is on their birthday and then after they open their presents they can pop open the balloon and get their $. very cute.
DIY girly party decorations. Use two contrasting table cloths. Add swags to the top table cloth with contrasting colored ribbon. Make this to match your theme colors. Another great idea is to make flowers out of balloons. Use these ideas for birthday, garden or tea party. Also makes a great addition to your bridal or baby shower decor.
A soap dispenser transforms into a water balloon pump. | 28 Household Items You Can Repurpose For Your Kids
Two large garbage bags + painter's tape + balloons = balloon avalanche. How awesome would this be to do the morning of a kids birthday!