battery powered motor
8" high by 9" long

Special Comments:
This zoid has some pretty fantastic detail.  It has eight legs that move like a real scorpion (I know this because I live in Arizona), and pinchers and a tail that are equally disturbing.  The toy engineers must have consulted an entomologist on "bug motion".  There is a driver (or pilot) lying down in a prone position under the back panel.  He is a large figure with his hands gripping controls.