• H18: Après-ski

    Wouldn't sound great to spend Valentine's Day in an après-ski atmosphere? Put on your best après-ski clothes, grab a mint hot chocolate from the Science Restaurant and come enjoy a fun evening. H18: The après-ski science event will be held on Saturday 14.2.2026 from 7pm–12am at Heureka.

    The event is K18. Heureka will be a drinking area during the event.

    The evening workshops will be held in Finnish and English. The lecture sections will be held in Finnish.

    Psst! There will be photography at the event.

  • Tickets

    Advance tickets online: €18
    Tickets on site, if any are left: €20

    Pre-sale ends on Saturday 14.2.2026 at 6 pm or when the event is sold out.

    Note! Museum cards, Heureka Club annual cards, Kaiku cards, press cards or Heureka free tickets are not accepted as payment for the event. Cultural benefits cannot be used to pay in the online store.
Buy tickets cheaper in advance

Heureka's après-ski program

The program is still being updated. Changes are also possible.

Heureka's exhibitions are open throughout the event.

  • Skating on artificial ice

    Is skating on artificial ice at Heureka on your bucket list? If not, now is the time to write it down, since you can achieve this goal at the event!

    Bring your own skates and for safety reasons we also recommend a helmet. Welcome to skate in the middle of science!

    Please note: Your safety is of utmost importance to us and we will take care of you. Alcohol is allowed before participating in the ice skating, but the staff will ultimately assess whether you are able to participate in the workshop.

    The time and place will be confirmed later.

  • Get a picture of yourself in a ski lift

    Come and take your picture taken in a ski lift alone, in pairs or with a larger group. Put on your best après-ski gear and capture a fun Valentine's Day photo taken by a professional!

    The time and place will be confirmed later.

Experience Heureka's renewed planetarium

The planetarium has undergone the biggest transformation in its history. Its interior, projection dome and presentation technology have been renewed to meet today's expectations and standards. Heureka's planetarium is now one of the brightest, most colorful and detailed presentation environments in Europe.

At the event, you can see a planetarium film called Recombination , a work by Dutch fractal artist Julius Horsthuis. The film immerses you in the fascinating world of fractals, accompanied by music.

Note! Please remember to reserve your seat for the planetarium film by scanning the QR code on the information screen in front of the planetarium.

7.30 pm, 8.15 pm, 9 pm, 9.45 pm, 10.30 pm and 11.15 pm.

Read more about the Recombination planetarium film

  • Drunken orienteering

    Can you find your way back to your hotel room after a few pints or a mint hot chocolate? Test your drunken skills with 2.6–3.5 per mille simulation glasses.


    7–11.30 pm. Location to be confirmed later.

  • Party band

    The après-ski party atmosphere is enhanced by a party band performing well-known hits that will get even the shyest of dancers moving.

    The schedule will be confirmed later.

  • Chocolate meditation

    Chocolate brightens up even the coldest winter day. Sit down, taste a delicious piece of chocolate and take part in a relaxing après-ski meditation.

    One chocolate meditation lasts an unspecified amount of time and the meditation's are organized throughout the evening. At the Science on a Sphere site.

  • Instant space ice cream

    Freeze-drying ice cream is time-consuming, but you can achieve a similar taste experience much easier. Try making instant space ice cream in the microwave!

    Note! The treat you will make in the workshop contains eggs.

    The schedule and location will be confirmed later.

Extremely interesting lectures

  • Why is having fun fun?

    You've never experienced a lecture like this at Heureka! Party doctor Antti Maunu has been researching things such as partying habits, partying, and alcohol consumption - all relevent in the après-ski culture.

    During the lecture, you will learn something new, but you will also be part of a surprisingly fun, moving lecture. So get ready to move your hips!

    Lecturer: Antti Maunu, party doctor

    Lecture duration 30 min.
    Time to be confirmed later. On the stage at the event square.

  • Learn about rescue dogs

    During the lecture, you will learn about rescue dog activities and will be able to observe the skills of rescue dogs in practice.


    The Finnish Rescue Dog Association will organize a lecture and demonstration.

    The time and place will be confirmed later.

For the hungry and thirsty

The cash register at the science restaurant.

The Science Restaurant is open throughout the event

The Science Restaurant's menu includes a mint cocoa bar and small bubble waffles to celebrate the après-ski atmosphere.

During the evening, other drinks and snacks will also be available at the Science Restaurant and at the refreshment points. Please note that the refreshment points only accept card payments.

Discover Heureka's exhibitions

  • Jääkauden jättiläiset

    Giants of the Ice Age

    8.2.2025–6.9.2026

    Nearly twenty life-size animal robots await visitors at the Giants of the Ice Age exhibition - including a mammoth and a saber-toothed cat!

  • Heurekan Matkalla avaruudessa -näyttelyssä poika ja tyttä seisovat Kuun edessä.

    Our Journey in Space

    10.2.2024-6.1.2027

    Our Journey in Space is an interactive science center exhibition for the whole family

  • Vesi – elämän virta

    Water – The stream of Life

    Exhibition is on display for the time being

    Water – The Stream of Life. The exhibition is suitable for people of all ages and backgrounds, to children and to adults, as well as the curious and those who like to delve deeper.

  • Leiki ja tutki

    Play and Explore

    The exhibition is on display for the time being

    A new exhibition dedicated to play will open on Saturday 20.12.2025. The exhibition consists of sites from the Power of Play exhibition and the Idea Workshop.

  • A girl jumps on Heureka's Science Park Galileo's Human Jojo. The planetarium dome reflects a blue sky with white clouds.

    Exhibitions Outdoors

    Opens again summer 2026.

    At Science Park Galilei you can try out large-scale objects based on music, mathematics and physics phenomena. Opens again 2026.

  • Tekoäly – Me, Myself & AI

    Artificial Intelligence – Me, Myself & AI

    The miniature exhibition will open in late January

    Welcome to the village of the Scientist's home full of artificial intelligence! Can you beat the robot in rock-paper-scissors?

  • Tummahenkinen kuva Heurekan Klassikko-näyttelystä.

    Heureka Classics

    Opens in Spring 2026

    Heureka Classics is temporarily closed. The renewed exhibition will open during spring 2026.

  • Heurekan Sähkölä-näyttelyssä mies ja poika katsovat puisen kaupunkirakennelman pienoismallia.

    Electri City

    Open until 6.4.2026

    Delve into smart electricity in your everyday life! What is a smart home like and how can you yourself use electricity intelligently?

  • Mies ja tyttö kokeilevat iloisina Heurekan Kiertotehdas-näyttelyn kohdetta. Taustaseinällä on keltaisia ympyröitä, joissa on tietoiskuja kierrätyksestä.

    Circular Factory

    Open until 1.3.2026

    Circular Factory is an exhibition of sustainable development solutions. How can familiar objects be recycled as efficiently as possible?

  • At Heureka's Science on a Sphere exhibition, a boy in a green shirt points to a large ball that looks like the Earth.

    Science on a Sphere

    The Science on a Ball site presents data collected by satellites about climate and space, among other things.

  • A girl wearing a coral-colored shirt is riding Heureka's Cable Bike.

    Main Exhibition Area

    In the main exhibition area, a few old favorites are on display, such as the wire wheel and Foucault's pendulum.

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