how do christmas lights work

Christmas lights are a festive decoration used to add a magical touch to holiday celebrations. They are typically made from small bulbs that emit light when electricity is passed through them. Christmas lights are often strung together in a variety of different patterns and designs to create a festive atmosphere. They are most commonly used to decorate houses, trees, and other outdoor areas during the holiday season. Some popular types of Christmas lights include incandescent bulbs, LED lights, and fairy lights.