Marble Races with a cheap pool noodle (occupies the kids for hours.) Did this, but instead of cutting the pool noodle, the marble is small enough to fit inside the full noodle to roll down. Then can use the noodle for other things too!
block party idea - This is such a cute idea for a bean bag toss! Get red, white and blue ones for of July, and make some cute bean bags . and you have a great kids game for a neighborhood block party, family reunion, or picnic in the park!
Create a fun outdoor game for kids like this javelin throw game out of pool noodles! First you make the rings and then use duct tape to secure together. You can hang them from trees as a Javelin throw or lay on the ground as an agility course.
Paper plates, Popsicle sticks, and a balloon are all you need to play Balloon Ping-Pong. (Not sure how sturdy the paper plates would be, but may be able to do something similar for a carnival/game night social event theme.