How much does an adult and three children cost

Members -GRATIS Children (under 1) FREE Children (1+) $ 15.50 Adults $ 15.50 Greater than (65+) $ 10 Military with ID $ 10 Museums for all program: (EBT) $ 1

Just like Mel Heflin said.

I was there about a month ago and it was $14/pp

Members FREE Children (under 1) FREE Children (1+)$15.50 Adults$15.50 Seniors (65+)$10 Military w/ ID$10 Museums for All (EBT)$1