To make a Christmas sleigh, you will need the following materials: a strong and lightweight frame, such as wood or metal, six reindeer harnesses, a large sack for holding presents, and decorations for the sleigh, such as bells, ribbons, and garlands. You will also need a driver's seat, preferably one that is comfortable and padded. Finally, you will need a mechanism for attaching the sleigh to the reindeer, such as a harness or a yoke.