sentences:  After the sale of Merlin to Blackstone Group, the company negotiated to buy control of Legoland for about £250 million in 2005, then merged it with Merlin.As part of the deal, Kirkbi A/S, the investment arm of LEGO owners, took a share in Merlin Entertainments.In May 2007 Blackstone purchased The Tussauds Group, owner of the Madame Tussauds celebrity wax attractions, for US$1.9 billion; this company was merged with Merlin and has since been managed by Merlin.