If you are talking about the brewmasters club, it is free and lasts about 30 - 45 minutes, you will need to sign up for a time at guest services when you get to the park. With this you will gt to choose and sample 4 different beers or beers with additives that you would like, you will learn about how they are brewed and what they should be paired with.
We have done this on a couple of occasions and it is a pretty informative and educational experience. I mean I found out that if the beer bubbles from the sides of a glass when it is poured in it means that the glass is dirty.....