ThinkGeek offers this Wooden Mechanical Pendulum Clock Building Kit for $52.49 plus $6.95 for shipping. That's the lowest total price we could find by $14. The kit includes over 100 parts, a pencil, sandpaper, and fully-illustrated instructions. (You will also need glue, a razor saw, and counterweight material, not included.) When assembled, this birch and poplar wind-up clock measures 13" x 9" x 3" with a 51" pendulum. Deal ends February 15.