It's been a couple of years since last comment to this but having built a Borg here is my input, hope it helps. I started with hockey equipment as the base for the torso, attached peices of pond liner (makes great flexible armour pecies, etc.), bolted on additional plastic peices stolen from hockey pants, used foam tubing and automotive wire, spark pulg wire holders for the Borg's wiring. A section of a fishing rod case was the base for the Borg arm, a toy robot "grabber" was dismantled and rebuilt into the arm to create a handle to open and close the "grabber". Some old computer parts, coloured wire, anything that looks mechanical and some led lights completes the arm. I used a kid's spy toy for the head peice. Holds to your head with a functional telescoping arm that drops a magnifying glass in front of your eye, I added some kalaidascope style material to make it holographic like. On the other side it come with a spring loaded arm that drops and lights up a red led lite, pretty cool! $25.00 bucks at a science store. Paint everything black except for the accents wires, etc. Add leds powered by battery packs, face paint, white latex glove and you are good to go! Oh and it helps to be shaved bald!! Here is a pic.