Then I made a tree trunk out of four bottles and glued it to the bottom.

Next, I added the lights simply by placing them just inside the opening of the bottle.

I used multi-colored light, but any color would work fine.

Learn to make an Easy cheap plastic water bottle Christmas Tree Luminary for no money

This is a cheap, easy, quick, super fun project that goes really quickly and looks fantastic.

Learn this cheap Plastic Bottle Christmas Tree DIY

Try a light bottle tree out of old discarded water bottles

How to make a DIY recycled plastic bottle light tree

Try using recycled plastic bottles in this DIY cheap fun Christmas Tree Luminary