i started off from a zeobot kit, from technobots got me started, first off it was a ram bot then i put a lifter in to it

you could buy all the bits i think ewan does a nice package from gimson robotics, and then the chaepist armour would be wood,

check my website gives some more info about my expierence

http://www.psychoflingteam.co.ukwww.psychoflingteam.co.uk

hope this is of use
alex