Image 1 : Build these panels.
Image 2 : This is another view of the trigger mechanism.
Image 3 : Here is yet another view of the trigger mech.
Image 4 : Attach the other panel from image 1 to the stuff you just built.
Image 5 : Build these pieces.
Image 6 : Take the pieces you just built and put them in the places shown.
You are done with the body. Go on to the next step.