Harry Potter Silver Plated Charm Set Including Hogwart's Express, Train Ticket & Platform 9 3/4 3 Charm Set £14.25 Our Harry Potter charms sets are the best way to start or add to an existing charm collection. This set comprises of our most popular designs on the theme of Platform 9 ¾. Comprising of Hogwarts Express, a Platform 9 3/4 logo, and a Hogwarts Express Train Ticket. Start your journey of charm collecting with this set. These bracelet charms have been designed using the official style guide from Warner Bros and come presented on official Harry Potter branded packaging which shows the Warner Bros logo on the reverse.