I don't know about you, but I nearly jumped out of my chair when I saw that giant Warspider on the kid's roof. Please post a comment and let these prodigies know what you think of their 100+ hours of effort.
Post Script: It seems that this blogger format won't show the full screen version of the video and like a third of the right part of the screen didn't show up. Here's the link so you can see it full screen:
Post Script 2: My 12 year old son watched the video and just about flipped off of our bed!