Light Up Christmas Tree Costume

It can be Christmas all year long with these adorable light-up Christmas tree costumes. With almost no electronics or sewing experience, and a little curiosity and patience, this is a costume that can be done in an afternoon or weekend. The electronic component requires a handful of 10mm LEDs, some stranded wire, a AA battery pack, and soldering iron. The crafting component uses a few yards of green felt, a sewing machine (if handy), hot glue gun, and some decorative elements to "spruce" up your finished tree.

As a bonus, these light up Christmas tree costumes have the built-in nighttime safety feature of actually lighting up! So trick-or-treating can go extra late this year.

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Step 1: Create Base

I created a dress shape based on the girls' height and sizes, using a t-shirt to trace for the collar and arm holes. Since I was tracing onto old newspaper which wasn't as wide as I wanted, I added a few inches to the width of the hem on each side when I traced it onto the green felt.

I cut two full dresses for both costumes. Since there were to be a whole mess of wires winding about inside of the costumes, I wanted an extra layer to protect the girls from the wires and the wires from the girls.

Next I sewed together the inner dresses, leaving one shoulder open so they could get them over their heads.

For the outer dresses that would need to be wired, I sewed together one side seam only.