Paint your wood round brown. Allow it to dry completely.
Cut out your antlers from brown paper. Glue them to the wood round.
Add your googley eyes or draw your eyes with a black permanent pen. Add the mouth with your permanent pen.
Glue on a red pom pom nose with a hot glue gun.
Add the string to the back of the ornament and hang it on your tree, or on the front of a gift bag for a special someone this Christmas.