Happy Post-Earth Nuclear Winter Holiday to you! Please help yourself to a ten-piece arsenal of gears and sprockets sporting a variety of cogs. Get clever, chap, and make something utile for the season!
Perhaps an airship?
Check out a tutorial on how to make our own: [link]
Simple jpg with the gears on it to look at: [link]
Also my website: [link]
And my blog: [link]