A trip to the British seaside just wouldn't be complete without a stick of rock to break your teeth on. Made from pulled sugar, rock took off in the 1800s, though there's serious debate about where lettered rock was first produced. Blackpool usually claims the honour, though nearby Morecambe has also been credited.
Rock candy is both a tasty treat and a geology experiment! Click here for instructions to make your own rock candy. http://www.minimegeology.com/blog/2009/06/09/growing-rock-candy-crystals-a-summer-fun-science-experiment/