It will only takes seven months of your life.

Even if you're not crafty, you might find it interesting to see how YouTuber Diegator spent about seven months making a motorized replica of the mask worn by Metal Gear Solid‘s ninja. See, it's easy. Now, get at it!

source: http://www.gameinformer.com/b/news/a...ear-solid.aspx

You really need to watch the video, its simply amazing.

Watch it on YouTube here: https://www.youtube.com/watch?v=5lRApF-siVo

Now, he just needs to make the body parts :-)