Kids, man. They're the real monsters…Someone's ought to man up, RTFM and break out the tools. This ain't IKEA, hell this ain't even rocket science. I guess all the wiring is concealed and grouped in little sockets that plug with each other when you connect a limb.

All pseudo-engineering aside though, I think it'd be even more creepy if she used her heads as support while she crawls around, like their no more important parts than the rest of this mess.