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Feeling lucky? Here’s a chance to win a cruise aboard the world’s largest cruise ship: Harmony of the Seas.

To mark the debut its third Oasis-class megaship, Royal Caribbean International has launched the “Ticket to Adventure” sweepstakes for consumers to try for more than $300,000 in prizes, including cruises, GoPro cameras and gift cards.

The grand prize is a seven-night cruise aboard Harmony for four people, and the first prize is a four-night cruise for two. Instant-win prizes will include preview sailings on Harmony, GoPro cameras and more than $40,000 in gift cards.

Consumers will have multiple ways to try to win prizes during the sweepstakes, which runs through Nov. 5.

Harmony — which can carry 5,497 passengers at double-occupancy — will launch next month in Europe and later head to Port Everglades in Fort Lauderdale for sailings to the Caribbean starting in November.

For contest rules or to register, go to www.royalcaribbean.com/tickettoadventurehttp://www.royalcaribbean.com/tickettoadventure/.

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