Curly Wurly Individually Wrapped Milk Chocolate with Chewy Caramel Made in England Just like the Marathon Bar Curly Wurly is a popular candy bar made with Milk Chocolate and Chewy Caramel/Toffee. The Curly Wurly is a great substitute for the now discontinued Marathon Bar. Imported from England, this delicious milk chocolate bar consists of a layer of chocolate covering a thin line of chewy toffee/caramel to create a classic flavor combination. Eat it all at once or rip off pieces throughout your day, the Curly Wurly is sure to make the day happier and a whole lot sweeter.