Flag Hunt for a large group of kids. Tag each flag with a number and a letter. kids can work alone or in groups. as they find the flags, they leave them there and just copy the letter onto the coordinating blank on their paper.
Fun Home Things: DIY Patriotic Outdoor Garland (using plastic table cloths and a string of lights) This would be really pretty lit up at night & this could be an awesome Relay decoration. Purple & white or the color of your choice