To make a Christmas tree bow, you will need the following materials: a roll of ribbon, scissors, and a hot glue gun with glue sticks. First, cut a piece of ribbon that is about 2-3 feet long. Next, fold the ribbon in half so that the ends meet. Now, you will want to take the ribbon and fold it again so that it is now a U shape. Use the hot glue gun to glue the two ends of the ribbon together to create the shape of a bow. You can then attach the bow to your Christmas tree using the hot glue gun or by tying it to the tree.