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H18: Halloween at Heureka 31.10.2025 (K18)

H18: Halloween at Heureka 31.10.2025 (K18)

The H18: Halloween event for adults will be celebrated on Friday, October 31, 2025, from 7 pm to midnight. Tickets €18 in advance, €20 at the door if tickets are still available.

Advance ticket sales end on October 31, 2025 at 6 pm or when the event is sold out.

Click here to view the evening's program.

H18: Halloween at Heurekassa event ticket (K18)
€18,00
tickets left
Innoittaja vetää tiedeteatteriesitystä H18: Halloween -tapahtumassa 2023.

H18 - event for adults at Heureka!

On H18 nights, Heureka transforms into an adult playground. We offer festive fun with a scientific angle! The theme of the H18 night, which will be held on October 31, 2025, is Halloween - welcome!

Read more about H18: Halloween event

  • Exhibitions and special program

    The H18 event ticket includes special program in the theme of the event and Heureka's exhibitions. H18 events are K18.

  • Visit Heureka without children

    H18 evenings allow you to explore Heureka's exhibitions without children. Welcome to immerse yourself in the world of science among adults! The entire Heureka is a drinking area, except for the auditorium.

Buy other tickets at the same time