Super-messy & colorful outdoor summer fun! Paint Balloons are a budget-friendly and easy homemade project, perfect for the backyard on a hot summer day. Kids will love mixing up the ingredients and having colorful “splash battles” on the lawn. All you need are water balloons, a few simple kitchen ingredients (food dye, corn starch & water) and an outdoor space to play. Check out this and lots of other fun summertime DIY activity ideas at the link.