These sites below are great.
I think your children will like them and beable to learn

http://library.thinkquest.org/J001619/

http://kidshealth.org/kid/health_problems/...n/epilepsy.html

http://www.epilepsy.org.uk/kids/

http://137.172.248.46/

http://www.4pep.org/

This site has nothing to do with epilepsy but, if you have small ones at home its great.

Free color sheets
http://www.coloring.ws/coloring.html