User blog comment:ElsaRules!!!/Reverse Artifact Challenge/@comment-26382736-20151005044757/@comment-4273152-20151005051647

I like that. Just whenever the agents walk past it's confiured itself into a new shape, and it's adised to knock it over so it doesn't get too big. Maybe have the blocks replicate over time, a-la the dodgeball, just to expand their growing little city.