Found: outside Eeylops Owl Emporium, Diagon Alley, Harry Potter Studios Tour, Hertfordshire
Found at: RSPB, Sandy, Bedfordshire
Found at: Westcliff-On Sea, Essex
Found: on the Upper West Side, near Central Park, New York, by Lottie and Dave.
Found: the Vaults bit of London Bridge station
Found: outside the Tate Modern, London
Found: at Sandy station, Bedfordshire
Found: Between St Pancras and Kings Cross stations, London
Found: at the BUST Craftacular, York Hall, Bethnal Green, London
Found: on Argyll Street, London W1