Goodwill. 2 jars. 99 cents each.
Solar landscape lights from Target, $2 on sale.
Adhere the light to the lids of your jars using Goop.
Totally light up the night, baby.
Addictive personalities and quick and easy crafts are a dangerous business.
Two other examples of this project can be seen HERE and HERE for more complete instruction. But I think you get the idea.