Lawn games like croquet, bocce ball, beanbag toss and horseshoes are simple to set up and easy for kids and adults to play during cocktail hour and after dinner. Not a bad idea when there's a gap between wedding & reception. This might be kinda fun.
Create the appearance of fireflies in a jar with this Mason Jar light display. Simply feed the light strand through the mouth of the Mason Jar. Display as centerpieces, pathway lighting, or hang from shepherd hooks, branches, or ceilings.