To make popcorn garland for your Christmas tree, you'll need a few supplies. First, pop some popcorn kernels in a pan or in the microwave. You can also use pre-popped popcorn if you prefer. Next, thread a needle with a long piece of thread or twine. Start by stringing one piece of popcorn at a time, making sure to leave a bit of space between each piece. When you're done, you can hang the garland on your tree or even use it as a decoration for your home. The final step is to enjoy the delicious aroma of freshly popped popcorn!