Royal Caribbean claims that Oasis of the Seas is the most technologically advanced vessel in the world.

Children can wear a tag that sends their location, so that parents can pinpoint exactly where their child is on board the 16-deck, 225,282-ton monster.

The information is sent to “Royal Connect” branded smartphones rented to parents for a reported $17.50 a day.

This year has seen the launches of several new ocean-going passenger ships, defying the weakened economic climate with new levels of luxury such as an on-board circus, a 4D cinema and an “aquatheater.”

The world’s biggest and most expensive cruise ship, Oasis of the Seas, was recently handed over to the Royal Caribbean cruiseline in Finland.

The vessel, worth 900 million euros (1.3 billion dollars), can accomodate up to 6,360 passengers and 2,160 crew members.

The cruise ship features a variety of traditional and new activities including swimming pools, a casino, pool surfing and a zip line above the boardwalk.