If you don't want a live flame, use battery-operated tea lights. Amazon has LED lights for $4.99. If you're not a fan of shells, Joann Fabric and Crafts also has earth-toned pebbles for $3.99 or ...
[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 ...