This was a fun (following EchoTransformer's instructions) then nightmarish build (adding my revisions)! Basically, what I wanted to achieve was a more complex transformation (try to move the backpack up and closer to the body), a more defined cab section (with some extra bells and whistles) and more stability in both modes. Revisions: -redesigned feet (so they sit more flush in truck mode) -rear fenders (transformable!) -front fenders (sorta) -side mirrors (they fold against the chest in robot mode) -rotatable and foldable front end -clips to attach the front portion of the cab to the back part -taller lower torso with rotatable support bars to keep the chest level (the original design tended to sag under the weight) -lower front wheels to make the truck level -swingable front wheels (toward the torso) to prevent the backpack from rotating down -additional articulated clip to grab the backpack on the bumper -new panels on the top and rear of the cab to hide to head and refine the cab -machine gun than turns into the hitch part (and keep the legs from spreading in truck mode) -matrix of leadership The figure is fully articulated but you have to be extremely careful when you manipulate or transform it. Since I'm happy with the end result, I will probably glue some of the parts that tend to detach to make the figure even more stable. What I liked about EchoTransformer's was the "Lego Technic" complex look. Badass. I did my best to preserve the look while doing my revisions.