Technic Construction. "What you see is what you get" ruler to show scale.
LEGO Technic 4 x Dark Grey Bridge Support 1 x 6 x 5 Girder Rectangular Railway
LEGO Technic 4 x DARK GREY Plate, Modified 6 x 6 x 2/3 Cross with Dome
LEGO TECHNIC 4 x GREY Engine Frame Connector Block 1 x 5 x 3 pin 32333
LEGO Technic 4 x Hinge Plate, Modified 2 x 6 x 2/3 Bent Angle - Dark Grey
LEGO TECHNIC 4 x Thick Lift Arm Brick / Beam 1 x 13 Blueish GREY Liftarm
LEGO Technic 4 x Light GREY Engine Piston Square 2 x 2 Old type + Joint 3652
