A very small simple light with switch and one LED of your choice.
Kit Contains:
...1 LED with 8 inch wires leads,
...A coin cell holder with pre-attached mini-switch
...1 CR1220 coin size 3 volt battery
...2 1-inch pieces of "EZ-shrink" shrink-tube
Add a flickering LED to light up a pumpkin or 144th scale fireplace. 1 LED will run about 12 hours.