Water balloon baseball - definitely on our summertime bucket list

what a fun take on the 'egg & spoon race', perfect for an outdoor summer party :)

Capture the Flag type game with balloons filled with shaving cream--wonderfully messy outside game.

Glow-In-The-Dark Baseball! The Greatest Game Ever Played! | How Does She...

25 Kids Water Activities for Kids - keep your kids busy and cool this Summer! Great kids activities for this summer!

Break glow sticks into bottles of water for some nighttime lawn bowling action.

Outside Games For Fourth of July or Anytime! - Things to Make and Do, Crafts and Activities for Kids - The Crafty Crow

Big Kerplunk

I might try this balloon avalanche for Anna's birthday this year. Remember doing this in college with newspaper and I think popcorn...

Fill trampoline with balloons for something alittle different and tons of fun for the young and old...we made it a game and put a number on 6 balloons and had the kids one by one go inside and try to find their number..., 3 things..., find large balloons, use and air compressor, and make sure you cover the top of the tramoline with something, we used a mosquito net..enjoy....

Genius! Slip n slide for summer baseball birthday party - icandy handmade: (iCandy) Baseball Birthday Party

would be fun to do as a relay. The first kid starts with a full cup of water, then pours it over his head and the second kid catches it and repeats and they keep doing this to see who can fill up a jar the fastest

Summer fun - knock ping pong balls off golf tees with water guns camping fun, bug out fun, summer nights

Water Games

Life-size Kerplunk game (with instructions).

25 Water Games and Activities for Kids Especially like the sponge balls in place of water balloons

Cool!! It's alive! One of the coolest science experiments ever!- cornstarch and water mixture moves to sound so kids can visually experience sound waves.

A fun idea for a summer party! Give each child a noodle and set them loose with a number of balloons to try and get into a goal or basket.

Water Balloon Volleyball!

Summer Bucket List: 164 ideas for fun stuff to do with kids.

30 different ways to play with balloons! I love cheap FUN!!!