Websites where you can find out more:
http://www.bbc.co.uk/schools/primaryhistory/world_war2/
http://resources.woodlands-junior.kent.sch.uk/Homework/war/index.htm
http://www.schoolsliaison.org.uk/aliens/interactive/curatorCollection.html
http://www.nationalarchives.gov.uk/education/homefront/preparations/default.htm