I hadn't originally intended to just swap his arms and legs, going through a few other combinations of things first, but this is the one I ended up liking the best...despite the somewhat silly altmode.
Those hip armor pieces make pretty convincing axe heads, but they don't quite have anywhere to go when he's not in robot mode, since they would keep the wheels from touching the ground.
Robot mode:
Altmode:
And some gerwalk action, for fun:
Is there a thread dedicated to Constructbots customs anywhere? They obviously aren't as popular as Kreo, but I think they deserve some love, since you can do some pretty interesting things with 'em.
