Discover Peter Pumpernickel and Poppy Peasprout’s magical world of make-believe with Harrods’ Once Upon A Christmas. While a secret band of festive mice are hard at work making Harrods’ Christmas windows the best they can be, the mischievous pair are up to no good. Accidentally launching themselves into the midst of a troupe of dancing mice – much to the delight of Father Christmas – Peter and Poppy master the complicated ballet steps to dance their way to into the heart of the store windows in this fantastical Christmas story.