Elder, the big green building at Santa Catalina, is an interactive museum with exhibitions of technology, physics, mathematics, geology, biology, medicine and astronomy. The museum encourages hands-on interaction with the displays and children will enjoy this museum a lot.
It’s recommended to buy tickets online. The entrance fee is €6 for tourists and €4 for residents. From Tuesday – Thursday the museum is open from 9AM till 7PM. From Friday till Monday the openinghours are 10AM – 8PM.
The first Saturday and Sunday of the month you can enter the museum for free.