Other changes would include a 300000 sqft convention center, to be built at a cost of $60 million; a $60 million retail and entertainment complex, including theme restaurants and nightclubs, to be built adjacent to the theme park; a new entrance, to be built along Koval Lane at a cost of $5 million, scheduled to begin in mid-1997; a $30 million renovation of 52 suites on the penthouse level; and $11 million to upgrade parts of the casino.