Fourth of July Wreath Craft for Kids - My boys (5 and 3) had a lot of fun with this craft. It was easy and not messy. The 5 year old help cut out stars, and both enjoyed gluing with a glue stick. It was a very age appropriate craft.
15 American Flag-Themed Foods Your Fourth of July Party Needs
Firecracker flags are easy-to-make decorations for the of July. If we have the boys walk the parade, we could do a Johnny Appleseed theme or have the boys dress in their dress blues with this hanging from a stick over their shoulder blowing in the wind.