In the location's words:

Opening hours of the houses:
01.04. - 30.09. Saturday, Sunday and public holiday: 10.00 - 18.00 hrs.
01.10. - 31.03. Saturday, sunday and holiday: 10.00 - 16.00 o'clock

Prices:
Single person from 6 years: 2,50 Euro
Small group 1 (1 adult and up to 4 underage children): 5,00 Euro
Small group 2 (2 adults and up to 4 underage children): 7,50 Euro
Pupils in class: 1,00 Euro per pupil