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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
- The exhibitions invite you to learn, play and discover new things.
- Heureka is suitable for all ages. Families with children as well as couples on their first date will enjoy themselves here.
- Heureka is easy to get to from Helsinki, Espoo and even Tampere! The train ride from central Helsinki to Tikkurila takes about 15 minutes. Heureka also has a spacious and free parking lot.
Grab the best things to do for a winter day 2026 from this page.
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.
Discover our new planetarium films
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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.
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The Stellars - Mission: Green
Especially recommended for children aged 5–10
The Stellars - Mission: Green planetarium film combines space adventure, humor and a message of environmental protection.
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The Heart of the Forest
Best suited for ages 7+
Welcome to an enchanting journey into the world of trees! In the planetarium film The Heart of the Forest you will learn about the cycle of life, the power of forests, and their biodiversity.
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.
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.
Get to know Heureka's exhibitions
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Giants of the Ice Age
8.2.2025–30.8.2026
Nearly twenty life-size animal robots await visitors at the Giants of the Ice Age exhibition - including a mammoth and a saber-toothed cat!
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Our Journey in Space
10.2.2024-6.1.2027
Our Journey in Space is an interactive science center exhibition for the whole family
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Play and Explore
On display until further notice
The exhibition consists of sites from the Power of Play exhibition and the Idea Workshop. Play is natural and essential for human well-being. Playing is about exploring and experimenting, getting to know ourselves and each other. Through play, we learn to explore the world, and we should maintain this skill...
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Exhibitions Outdoors
Open until 27.9.2026
At Science Park Galilei you can try out large-scale objects based on music, mathematics and physics phenomena. Open until 27.9.2026
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Water – The stream of Life
On display until further notice
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.
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Artificial Intelligence – Me, Myself & AI
Exhibition is on display until further notice
Welcome to the world of artificial intelligence! The mini-exhibition brings together the best parts of the previous exhibition at Heureka. Come and try out the artificial intelligence-based devices and games that the main character of the exhibition, the Scientist, had made for his home.
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Heureka Classics
On display until further notice
Experience our classic destinations with the whole family! Heureka Classics has a selection of the most beloved aha-experiences.
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Science on a Sphere
The Science on a Ball site presents data collected by satellites about climate and space, among other things.
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Main Exhibition Area
In the main exhibition area you will find tightrope cycling, Foucault's pendulum, the Water - the Stream of Life exhibition and Heureka classics.
Good to know before visiting Heureka
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Winter Holiday at Heureka
Discover what Heureka has to offer during the winter holiday weeks 8 and 9.Take the most interesting trip of your winter vacation to Heureka! During weeks 8 and 9 we are open Mon–Fri 9 am–6 pm and Sat–Sun 10 am–6 pm.
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Finland's most curious class
Read more about Finland's most curious class competitionFinland is full of curious schoolchildren and we want to find the most curious class. The competition is open to all classes in comprehensive schools in Finland.
Competition time 12.1.–28.2.2026. -
Science for home or on the go
Check out our science experiments you can do at homeAre you looking for ideas for fun things to do during cold winter evenings? The answer can be found here: Heureka's science experiences to do at home! There are various online tests, fun quizzes and science experiments available. Note! They're all in Finnish.
Our newest test is Heureka's counting test. We have also published 6 new water-themed science experiments you can try at home. -
When hunger strikes
Check out the Science Restaurant's websiteThe Science Restaurant's delicious lunch, Science Snack Menu as well as small sweet and savory snacks ensure that you have enough energy throughout the entire Heureka day!
Heureka also has a snack area if you bring your own snacks. -
Give someone the gift of science
Go to Heureka Shop's pageFrom Heureka Shop you can grab the best gifts for all ages or a souvenir for yourself to remember the fun science day you had.
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Heureka is a safe space
Get to know the principles of Heureka's safe spaceEveryone has the right to feel safe at Heureka. When I am at Heureka, I follow these principles for a safe space.
Currently at Heureka
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Summer tips for your Heureka-visit
The most fun adventure of your summer vacation awaits you at Heureka! Check out the best tips for a memorable visit to Heureka and come spend an unforgettable summer day surrounded by science.
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Children's Medicine Day 22.8.
On Saturday, 22.8.2026 at 10am–6pm, Heureka will host the beloved Children's Medicine Day, where both children and adults can step into the shoes of a doctor or researcher.
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NOX evening 28.8. with the theme food and nutri...
The next NOX Science Evening for Adults (K18) will be held on Friday, August 28th from 6–11 pm. The theme of the evening is food and nutrition. Read more about the event here!
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New episodes of hilarious Heureka moments
Our hilarious science duo is back with a new episode of mind-blowing scientific tricks! Watch the latest Heureka moment on this page. Note! The videos are in Finnish.
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AI Art Recognition Test online (in Finnish!)
Can you distinguish genuine works of art from those fabricated with generative AI? Find out in Heureka's free AI art identification test! As you take the test, you'll get tips on how to identify AI-generated works.
