Here there's a selection of interesting links for children in order to practice and improve their English. Learn a lot and enjoy them!!
http://learnenglishkids.britishcouncil.org/es/
http://learnenglishkids.britishcouncil.org/en/lets-go-pocoyo/
http://www.zimmertwins.com/splash
http://www.bbc.co.uk/children/
http://www.cambridgeesol.org/exam-preparation/games/monkey-puzzles.html
http://www.sesamestreet.org/