Animated wood toy designed by David Wakefield and built by Dale C. Maley. Toy uses a cam on the wheels to make the T-Rex’s mouth open and close. The wheels drive the leg motion also. The wheels are offset slightly on the axle to give a side-to-side movement.
To see the details of how I built this toy, see my woodworking web site at: http://dalemaley.webs.com/trexdinasaurtoy.htm