Minimum 20 paying guests. 1 free teacher for every 10 paying students.
Groups must bring the following accompanying persons:
- Groups of children up to 6 years old: 1 accompanying person for every 4 children.
- Children from 7 to 12 years old: 1 accompanying person for every 7 children.
- From 12 years old: 1 accompanying person for every 20 children.
Free admission for school groups: 1 teacher/accompanying person for every 10 paying children.
All other accompanying persons must pay the accompanying adult's admission fee.