Kate Middleton and Prince William reportedly gifted their three children with a “magical” trip to the set of the new “Harry Potter” series on Friday.

“It was so special,” an on-set insider told the Daily Mail , sharing that Middleton took Prince George, 12, Princess Charlotte, 10, and Prince Louis, 7, to meet the “young actors and the director on the set” while William spent the weekend visiting his father, King Charles III, in Scotland

“There was only one night of filming there, so it really was a magical ticket.”

According to the outlet, Louis got to take a joyride on the Hogwarts Express — the beloved train that travels from King’s Cross Station to the school of witchcraft and wizardry in the J.K. Rowling-written books.

“He seemed to absolutely love it,” the source claimed.

“It

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