What do you want to teach  them ? How old are they? What is their background ?

I have no background in teaching English to children five years old

Dear Mohammad

here are the  useful  sites :

http://learnenglishkids.britishcouncil.org/en/little-kids

http://www.dreamenglish.com/basickidsenglish

http://busyteacher.org/2831-teaching-kids-english-10-things-to-consider.html

http://www.eslkidstuff.com/

Hi

see the web

http://learnenglishkids.britishcouncil.org/en/little-kids

The question really good