• The most fun winter days 2026 - things to do for children and adults!

    Whether the winter of 2026 promises snow, sleet or drizzle, freezing temperatures or just sunshine, Science Centre Heureka in Vantaa offers excitement and experiences for a perfect winter day. Heureka is a great winter day destination because
Buy Heureka tickets €3 cheaper in advance
Asteroid Quest -elokuvan visuaalinen ilme.

The renovated planetarium is open

The planetarium has undergone the biggest transformation in its history! Heureka's planetarium is now one of the brightest, most colorful and detailed presentation environments in Europe.

Read more about the renovated planetarium

Discover our new planetarium films

  • Asteroid Quest

    Asteroid Quest

    Best suited for ages 10+

    In the planetarium film Asteroid Quest, you will learn about asteroids, their secrets, and how scientists are learning to deflect asteroids to prevent catastrophic collisions.

  • The Stellars - Tähtijengi

    The Stellars - Mission: Green

    Especially recommended for elementary school aged children

    The Stellars - Mission: Green planetarium film combines space adventure, humor and a message of environmental protection.

  • Recombination

    Recombination

    Recommended for adults

    Welcome to a journey where the art of mathematics comes to life. Immerse yourself in infinite fractal landscapes that reveal the endless complexity and beauty of mathematics.

Two boys in the laboratory.

The whole family will enjoy your Heureka-visit

You can easily spend a whole day at Heureka's exhibitions - the average visit time is about 4 hours. The interactive exhibitions allow you to experiment and do things yourself. In addition, especially on weekends, there are often amazing public performances , such as science theater performances and rat feeding shows!

Below you will find other important information and tips for your winter visit to Heureka.

See today's program
Leiki ja tutki -teksti sekä kaksi piirrettyä hahmoa.

Play and Explore is open

The new play exhibition will opened on Saturday 20.12.2025 just in time for the Christmas holidays! The exhibition consists of the most beloved sites from the Power of Play exhibition and the Idea Workshop.

In the exhibition, both children and adults can explore, experiment and immerse themselves in the world of play. Through play, you learn to explore the world, and this skill is worth practicing throughout your life.

Read more about the Play and Explore exhibition

Get to know 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.

  • Toisin silmin

    Different Eyes

    May 15, 2025–January 6, 2026

    Two Centuries of Braille anniversary exhibition. We live in a world that emphasises visual information – but what if our eyes cannot see? The exhibition was curated in collaboration with the Finnish Federation of the Visually Impaired.

  • Säikeistyksiä

    Fibrations

    10.6.2025–6.1.2026

    The exhibition showcases student works of the Aalto University interdisciplinary course Crystal Flowers in Halls of Mirrors: Mathematics Meets Art and Architecture.

  • 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.

  • Nainen ja tyttö katsovat toisiinsa Heurekan Tekoäly – Me, Myself & AI -näyttelyssä. He ovat kirjoituskoneen äärellä, jolla voi antaa tekoälyn auttaa runon kirjoituksessa. Taustaseinillä on kauniisti kuvioitu tumman lohenpunainen tapetti.

    Artificial Intelligence – Me, Myself & AI

    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

    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

    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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Good to know before visiting Heureka

Currently at Heureka

  • Heurekan planetaarion kuvulla planeetta.

    Christmas Holidays at Heureka

    Spend a fun Christmas holiday at Heureka! We offer fun and insightful activities for the whole family: exhibitions, experiments and experiences. There's plenty to do for the whole day!

  • Heurekan talvilomaleirit 2026

    Heureka's winter holiday camps 2026

    Note! The camps are in Finnish. Are you looking for a winter holiday camp for your child in the Helsinki Metropolitan Area? Heureka is organizing two-day science camps for curious primary school children in week 8. Tickets are on sale until 11.2. 3 pm or until the camps are sold...

  • Heurekan pidennetyt perjantai-illat

    Heureka's extended Friday evenings

    Heureka's Science Friday starts January 9th! We are open with extended opening hours on Friday evenings until 8pm. Read more about Friday evenings at Heureka on this page.

  • Heurekan uudistettu planetaario on avoinna

    The renewed planetarium is open

    The planetarium has undergone the biggest transformation in its history! Heureka's planetarium is now one of the brightest, most colorful and detailed presentation environments in Europe.

  • Heurekan Matkalla avaruudessa -näyttelyssä nainen osoittaa sormella suuren Kuun pintaan. Mies katsoo vierestä.

    Thursday evening ticket for 10 €

    Note! In 2026 the discount does not apply to Thursday evenings 19.2., 26.2., 2.4., 30.4., 14.5., summer season 1.6. - 9.8., 15.10., 24.12. and 31.12.2026. On Thursdays from 15:00–20:00, all entrance tickets are 10 €/each. Children under 5 years of age can enter Heureka free of charge accompanied by a guardian.

  • Valokuvamuistitesti netissä

    Photographic Memory Test online

    Note! The test in in Finnish. Take Heureka's free and fun photo memory test online. Challenge your visual memory, exercise your brain, and find out how accurately you remember the details of what you see.

  • NOX-illat aikuisille

    NOX evenings for adults

    You'll leave Heureka's NOX events smarter than you arrived. Every event has their own theme. 

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