Royals at Harry Potter film set

The Duke and Duchess of Cambridge duelled with wands like wizards from the Harry Potter movies after a crash course in the magical arts.

See more: Gallery - Magic day out for royal couple and Prince Harry

The Duke and Duchess of Cambridge and Prince Harry are on a visit to the new Warner Bros. Studios in Leavesden, Hertfordshire.

William was invited to try out the bike used in the Dark Knight trilogy, the Batpod, and also got to see the revving engine of the batmobile, named the Tumbler.

The Duke and Duchess of Cambridge are today visiting the new Warner Bros. Studio in Leavesden, Hertfordshire.

Futuristic vehicles from the Dark Knight Batman trilogy, made by Warner Bros, were the first items on display including the Tumbler - the Batmobile, and his bike the Batpod.

William joked with staff at Warner Bros., saying: "I haven't told Harry that Harry Potter is actually fictional."

The Duke also praised Britain's "capacity to produce brilliant works" in cinema, and said that the country's capacity for talent was not a thing of the past.

Warner Bros. Studios in Leavesden, Hertforshire is today being inaugurated by the Duke and Duchess of Cambridge and Prince Harry.

The Duke of Cambridge will also announce the launch of the Prince Williams Scholarships in Film, Television and Games - designed to assist three people in need of financial support to study a postgraduate course in one of the three industries.

The Warner Bros. Studio Tour London - The Making of Harry Potter is the only attraction where guests can see behind the scenes of the Harry Potter franchise.

• The £100 million studio is the first of its kind to be built in 70 years
• It accounts for one third of the feature film production stage space in the UK
• It is the only film studio in the country to be owned and operated by a major Hollywood studio

• Home to all eight Harry Potter films, Star Wars Episode 1: The Phantom Menace, Goldeneye and Tim Burton's Sleepy Hollow
• The studio has nine sound stages, a 100 acre back-lot, and one of the largest underwater filming tanks in Europe

The Duke and Duchess of Cambridge and Prince Harry will get the chance to view props, costumes and models from the Harry Potter film series today.

Their Royal Highnesses will undertake a tour of Warner Bros. Studio Tour London - The Making of Harry Potter, where they will attend a wand lesson in The Gryffindor Common Room, and a special effects demonstration on Diagon Alley.

Today will mark the official opening of the studios in Leavesden, where Catherine, William and Harry will be joined by 500 adults and children.

The Duke and Duchess of Cambridge and Prince Harry will officially open the new £100 million Warner Bros Studios, where the Harry Potter franchise was produced, today.

William, Catherine and Harry will visit the Leavesden studios where they will undertake a studio tour with 500 children and adults to see how the wizarding world was created for the big screen.