Terms & Conditions: To receive a free Treat Egg, customers must enter a valid email and postal address. The gift is a Thorntons Treat Egg, which is available in four varieties (Praline, Champagne, Chocolate Truffle and Caramel). Thorntons cannot specify which flavour Treat Egg will be sent. Treat Egg is available for UK delivery only and will be posted 2nd class Royal Mail within 2 weeks of the offer end date (Friday 21st March 2008). Only one Treat Egg is permitted per household and will be sent to the address submitted on the form. Offer available while stocks last. There is no cash alternative to this offer.