It's hard not to laugh at—and sometimes relate to—Clark Griswold's misfortunes as he finds himself sharing a mug of nog with uninvited holiday guests. Relive the hilarious scene from the classic holiday movie "National Lampoon's Christmas Vacation" with this Christmas tree ornament featuring an ugly Christmas sweater decorated with artwork of a moose mug, colorful light strings and a fun message. Press the button to see the sweater light up and hear "Jingle Bells." Battery operated.