I don't have the prices in front of me, but they aren't hard to find. What other people have said about needing 8 people is true. They must all be staying at an on site hotel. Events can be booked 90 days in advance, payment is due 45 days prior.
The International Storybook dinner is held at the Odyssey restaurant in Epcot. The restaurant is decorated in the colors of the International Flag and there are globes for centerpieces, with a large storybook on the stage. The MC greets people in several different languages, and tells stories with the kids invited up on the stage. The story of Sleeping Beauty is told and then she comes out for a character meet and greet, then leads people in songs and dances. The event ends with a burst of colored streamers, and everyone goes outside to watch Illuminations from a VIP viewing area. The event takes place on Mondays and Fridays.
The Good Morning Gathering is a breakfast in the Magic Kingdom. It's held at Tony's restaurant and is hosted by Mickey and friends. It is held on Tuesdays and Saturdays.
There is a Safari event held in the Animal Kingdom. The group meets up in Harambe where they are on the final tour of Kilimanjaro Safari for the day. After the ride they return to the Tusker House for dinner with an African inspired menu. There are characters and close up animal interactions. This event is held on Sundays and Thursdays.
There are also Fireworks Voyages. The group is greeted by Captain Hook and Mr. Smee, then are led to a boat. On the boat is a comical pirate named Patch who helps the group find the perfect place to weigh anchor for viewing Wishes. On the voyage there will be trivia and songs, with trinkets being distributed from a treasure chest. After the show, they return to land where they meet and greet with Peter Pan. This takes place on Saturdays and Mondays.