Once upon a time, on the edge of a big dark forest there lived a little girl called Goldilocks. You have probably heard of her? If so, you will know three things: she was small, she had lots of golden curls and she had far too much curiosity for her own good. So when Goldilocks discovers an intriguing wooden cottage deep in the forest, she just can't resist peeking inside. Now why would there be one, two, three of everything?