The Canadian Space Agency has published a web page on how to build your own eclipse projector using simple household materials. If you can’t attend a public eclipse viewing event, and haven’t had the chance to purchase eclipse viewing glasses, this is an effective way to see the moon take a bite out the sun.
English Instructions: http://asc-csa.gc.ca/eng/multimedia/activities/eclipse-projector.asp
Instructions en Français: http://asc-csa.gc.ca/fra/multimedia/activites/projecteur-eclipse.asp
Image Credit: Canadian Space Agency