Homonyms

Click on the links below:
Challenging:
http://www.spellingcity.com/homophones-and-homonyms.html

Medium:
http://www.manythings.org/fq/1/9994.html

http://www.homonymgame.com/2.html

For everyone:
http://www.sadlier-oxford.com/phonics/homonym/homonyms.htm

http://www.quia.com/mc/66106.html