The event will consist of a morning of activities and entertainment, including character appearances and photo opportunities. Face painting, arts and crafts area, product demos and a treasure hunt will also feature, alongside a screening of the brand new animated webisodes.
Attendees will also be able to browse the store before it opens to the public, and every child will receive a goody bag.
In preparing for the main event, a collection of Tatty Puppies made their way down to London and took in the sights; you can take a look at some of the stops on their tour below:
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