Read this! They don't have the money yet to actually complete the three theme parks they have started building:
Source: TheNational Abu DhabiMeraas Holding (...) is said to be planning an initial public offering of its theme park division before the end of the year.
The sale of up to 40 per cent of, Dubai Parks & Resorts, expected to reap at least Dh2.5 billion, will be used to fund the development, including a Legoland, a Hollywood amusement resort and the first Bollywood movie theme park.
The company’s plan to sell shares to the public comes as Dubai’s main stock index more than doubled in the past year-and-a-half amid a recovery of the country’s economy.
http://www.thenational.ae/business/markets/meraas-plans-ipo-of-theme-parks-unit-to-fund-dubai-entertainment-complex-construction