Thank you!
@tin7: The body is a Travis Brick, upside down. On the Back is a Tile 2 x 2, on the front a Plate 2 x 2 covered with Tiles, and on the sides are Plates 1 x 2 with one Stud. Inside the Travis Brick is a Technic Pin 1/2, which holds the Bar 1.5L with Clip for the Head.
Here's a complete part list:
Part - Colour (Quantity)
Brick 1 x 1 with Stunds on 4 sides - Any colour (1x)
Plate 2 x 2 - Yellow (1x)
Tile 2 x 2 - Yellow (1x)
Tile 1 x 2 - Yellow (1x)
Tile 1 x 1 - Dark Bley (1x); Trans-Red (1x)
Plate 1 x 2 with 1 Stud - Yellow (2x)
Pneumatic T piece - Light Bley (1x)
Technic Pin 1/2 - Light Bley (5x)
Technic Liftarm 1 x 3 Straight - Black (2x)
Tile 1 x 1 with Clip - Black, but any Bley or Yellow also works (2x)
Technic Flex-System Hose - Black or Bley, cut to a lenght of about 6mm (2x)
Bar 1.5L with Clip - Dark Bley (3x)
Panel 1 x 1 x 1 Corner - Light Bley (2x)
Plate 1 x 1 - Light Bley (2x)
Plate 1 x 1 round - Dark Bley (2x)