The internet offers a wide variety of wonderful resources and games to practice speech/language skills. 

http://www.funbrain.com/

http://www.learningplanet.com/kids0.htm (provides activities for various grade levels)

http://www.m-w.com/ (features many word games)

http://www.niteowl.org/kids/index.html (features pages children can print out and color)

http://puzzlemaker.school.discovery.com/ (allows kids to make a variety of word puzzles)  This is great for practicing spelling and vocabulary words!

http://abcteach.com/ (many free printable activity sheets and games)

http://www.parents-talk.com/familyfun/activities/games.html (puzzles, brainteasers and games)

http://www.kidsgames.org/ (wide variety of activities)

http://www.listentoyourbuds.org (information provided by the American Speech language Hearing Association on prevention of hearing loss)