I just checked some of your other posts...close to Newmarket. Shipping eggs right now might result in just frozen eggs up here, but in your area there are quite a few breeders. Post an ad at buysell.com
Actaully there's a guy in Alliston there that would have eggs for your project, he has an ad in buysell right now. Not sure exactly how far Alliston is from you though.
kijiji.ca has a Barrie section that you can post an ad in as well. If you state that it is for your kids science fair you might get more responses:>)