Does your class deserve a treat? Tell us why and you could win a bumper box of Dubble bars from the makers of fair-trade chocolate. Email email@example.com, marking your message Dubble offer. Don't forget to tell us the name and address of your school. This week's winners are a "very special" Year 10 class at Henry Box school, an Oxfordshire secondary, nominated by their maths teacher, Sara Fraser-Paterson. "They support each other with maturity far beyond their years, are fun to teach, and do their homework with a smile," she says. www. dubble.co.uk has information on fair trade.