The kids are finally old enough or big enough at this point to do more grown-up things but still have an interest in those fun, silly games of childhood. Take advantage of this golden time!
Throw a Halloween-in-July party for all the neighborhood kids. Just dress up and play games!
Set up relay races.
Go to the beach and have a sandcastle-building competition.
Make homemade pizzas together.
Have a scavenger hunt at the local park and add a superhero or princess (or both) theme to it.
Have a dance party.
On a rainy day, have a beach day inside with towels and bathing suits.