He tells PEOPLE in this week’s exclusive cover story that children often don’t believe he is a real-life prince because he doesn’t always look the part.
“Every time I get to meet kids and they have been told a real-life prince is coming, the disappointment on their faces when they see me without a crown or a cape…” he says with a smile.
As he arrives in Florida Wednesday to play polo for his children’s charity Sentebale before heading to Orlando for his paralympic-style Invictus Games, he jokingly expressed concern about disappointing his youngest fans.
“I’m worried because the American kids, especially next to Disney World, are going to be thinking, ‘You ain’t no prince, you ain’t dressed like a prince, you’re having a laugh!’ ” he said during a wide-ranging interview in Kensington Palace.
“So I am going to pack a crown and a cape this time and some funny pointy-toed shoes,” he cracks. “I’m going to sign the crown out!”
To read the full interview with Prince Harry, pick up the latest issue of PEOPLE, on newsstands Friday
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The former Army captain, 31, is eager to bring Invictus to America. The wounded servicemen and women who compete, “do not want sympathy,” he says. “They view it as an opportunity to put on a show to all those people who have supported them.”
But he recognizes that London’s inaugural Games of 2014 are a tough act to follow: “It’s like trying to drop a second album. The second one is always harder! This is what America feels like for a lot of us who planned London. This is the big one.”
Tickets for the Orlando games can be purchased here.