The winner of this week's Dubble bars is Mig Bonnefoy, who teaches Year 4 at the British school in Seoul, South Korea. The class starts every day with a motto: "No problems... only solutions." The bumper box of Dubble chocolate bars will be a tasty solution to all their problems. If your class deserves a treat, email firstname.lastname@example.org to tell us why, giving the name of your school and marking your message Dubble offer. For information on fair trade, go to www.dubble.co.uk.