Turn them into hanging lanterns above the table for an unexpected dose of whimsy. No doubt, this is another DIY Mason jar centerpiece ... the bottom of each jar to keep the lights in place.

and you can find battery-powered string lights for under $10 at Michael's. If you're willing to spend a little extra and want ...

[Michael Mogenson] built Firefly Jar – a simple circuit to light up flickering LEDs inside a standard Mason Jar, to give away to friends and family for the holidays. Given it’s simplicity and ...