Free admission is available, during daytime opening hours and accompanied by a valid ID, to the following categories:
- Children and young up to 6 years of age
- School groups: max. 1 teachers every 15 people
- Person accompanying disabled visitors (person must show a valid document attesting that he/she is the designated helper)
- Holders of Torino+Piemonte Card (showing valid ID)
- Holders of Royal Card (showing valid ID)