Harry Potter Hogwarts Express Slider Charm Harry Potter Hogwarts Express Slider Charm Harry Potter Hogwarts Express Slider Charm £5.00 Quantity: at £5.00 each Add To Basket 2 in stock. Official Harry Potter Slider Charm Hogwarts Express Train Charm on a silver plated charm bail The front of the great Hogwarts Express train, the most magical transport to Hogwarts for it's students This charm has been created using the official style guide from Warner Bros. It is approx 15 mm in height and 15 mm wide. This charm comes on the official Harry Potter branded card packaging and shows the Warner Bros logo on the reverse. This charm is compatible with our other Harry Potter slider charms, necklaces and bracelets.