Some interesting websites for English teachers and their students:
http://www.bbc.co.uk/schools/laac/menu.shtml
http://www.bbc.co.uk/cbeebies/bigcooklittlecook/
http://www.bbc.co.uk/cbeebies/tikkabilla/stories/
http://www.bbc.co.uk/cbbc/wild/
http://www.bbc.co.uk/cbeebies/music/
http://www.bbc.co.uk/cbeebies/drilldown/music/2/1/1/
Song archive (children songs to download in MP3 files) http://www.onestopenglish.com/section.asp?sectionType=listsummary&catid=59466&docid=153715
http://www.bbc.co.uk/schools/numbertime/songs/index.shtml
http://www.englishclub.com/esl-games/index.htm
http://www.scholastic.com/magicschoolbus/home_2.htm
http://www.earobics.com/gamegoo/gooey.html
http://www.bigfishgames.com/download-games/genres/26/kids.html
http://pbskids.org/arthur/index.html
http://www.pbs.org/teachers/earlychildhood/pbskidsintheclassroom/index.html
www.MES-english.com (it is a good page for teachers, you can find flashcards, worksheets, games, etc… and it also gives you the chance of creating your own worksheets).
http://www.isabelperez.com/songs.htm list of songs with related activities to practise vocabulary, grammar, sounds…
HALLOWEEN
http://holidays.kaboose.com/halloween/halloween-games.html
http://www.freehalloweengames.com/
http://www.thekidzpage.com/halloween_games/index.html
http://www.countessbloodshalloweenhorror.com/kidsonly/kidsonly.html