I decided not to link directly to Armslength.com for this tutorial. I'm not being mean, I just noticed that they mention on the site the fact that they update the tips area with new information a "couple times a year" and I didn't know what they did with the old info so I decided to preserve it here...... just in case. All of the info and photos below are in his own words. 

The information regarding where to get the plastic piece that he used for the eyes wasn't offered anywhere on his site. I had to do some research for that, but I'm providing the info at the end of the page.  =)

	To create your puppet eye, you will need a piece of colored fabric, a plastic eye shape, craft (funny) foam, flat white spray paint, a razor blade, a straight edge, an electric drill, fine grade sandpaper, contact cement, and a hair dryer.
	Insert the post of the plastic eye into the bit of the drill. Gently rotate the eye while applying pressure with the sandpaper. This will allow you to quickly and evenly sand the eye in preparation for painting.
	Once the plastic eye has been sanded, lightly spray the paint on the eye while the eye is "spinning". This will enable you to evenly paint the surface of the eye. It is best to lightly "dust" the surface, adding several coats of paint until you achieve the desired effect. Apply heat between coats to facilitate the drying process.
	Use a pencil or marker pen to make the outline (pattern) for the eye liner.
	Brush contact cement onto the portion of the eye that will have the fabric (eyelid) applied.
	Use a straight edge (ruler) and a single-edged razor blade to cut a narrow strip of craft foam. This strip will be used for the eyeliner. Apply contact cement.
	Apply the foam strip (eyeliner) to the surface of the eye. Be careful to be neat. A nice, smooth application will enhance the look of your puppet. Extend the foam eyeliner about 1/2" beyond the edge of each side of the plastic eye. Glue the backside (inside) of the plastic eye and wrap the foam strip around and inside the eyepiece.
	Cut a piece of fabric (fleece) large enough to cover the surface of the eye that has had glue applied. Paint contact cement onto the edge of a foam square. Use the foam square to lightly dab contact cement onto the backside the fabric. Apply heat until the glue becomes "tacky".
	Press the fabric onto the surface of the eye, just behind the liner. Make sure no "gaps" show. Use the stretch of the fabric to "pull" the fabric tight over the surface of the eye.
	Use a fabric scissors to remove the excess fabric. Apply a "little extra" amount of contact cement to the excess fabric.
	Wrap the excess fabric tightly around and under the backside (inside) of the plastic eye. You should have already applied some contact cement to the inside of the eye shape (note: refer to step 7).
	Apply the felt pupil to the front of the eye. I would recommend that you place the eyes on your puppet head before you attach the pupils. The focus of the eye is the "secret" of great character design. How and where you place the eyes on the head of the puppet will also have a significant impact on the "look" of your puppet. Be creative and have fun!

Here is where you can get the plastic shaped eye pieces

that David uses in this tutorial:

Mercury Plastic Corporation

929 Utical Avenue

Brooklyn, NY (718) 498-5400

merplast@aol.com

They do have A 1,000 pc minimum order policy. If your looking for smaller quantities, I do sell these eyes on my Supplies Page.

Ask for the BLANK 650's if you want the same size that David used. I'm told that this size is a bit larger than half a ping pong ball.  They have other sizes, and the 450's are the about the size of a ping pong ball. Be sure to tell them that you need the metal fasteners too!