Many people love the days leading up to Christmas, and one of the things that transform the whole atmosphere of the holiday season is Christmas lights. Christmas lights are a type of decoration used at Christmas time outside of peoples homes and buildings. They may also be used for decoration inside windows or on trees and throughout buildings. Christmas lights come in many colors, sizes, and shapes. The most common colors are red, green, blue, and white. The lights may be plain or they may be shaped into holiday symbols such as snowflakes, stars, Santa Claus, and reindeer. Some Christmas lights even have special effects such as twinkling or flashing. Christmas lights are a great way to get people in the holiday spirit, and its no wonder why so many people choose to decorate their homes and buildings with them. They bring a festive and joyful atmosphere to homes and businesses that is difficult to resist. Its no wonder that Christmas lights have become one of the most popular decorations of the holiday season.