A simple pulse core wrapped around components I modified or constructed based on scrap. [Ideally, something like this would be biomechanical as to be slightly intelligent in and of itself. Thus thing's intelligence is barely on par with an actual spider's] It ought to be able to follow simple commands spoken into this- [And he pulls out what... looks more or less like a small (about the size of a cell phone) speaker ] within about three hundred sixty motras [Inhale... ugh. conversion-] ...Approximately three kilometers.