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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 elementary school aged children
The Stellars - Mission: Green planetarium film combines space adventure, humor and a message of environmental protection.
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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.
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
8.2.2025–6.9.2026
Nearly twenty life-size animal robots await visitors at the Giants of the Ice Age exhibition - including a mammoth and a saber-toothed cat!
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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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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.
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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.
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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.
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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?
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Heureka Classics
Opens in Spring 2026
Heureka Classics is temporarily closed. The renewed exhibition will open during spring 2026.
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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?
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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?
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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, a few old favorites are on display, such as the wire wheel and Foucault's pendulum.
Good to know before visiting Heureka
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H18: Après-ski 14.2.
Lue lisää tapahtumastaWe're celebrating Valentine's Day among adults at the H18: Après-ski event on Saturday 14.2. 7pm–12am. There will be science, mint chocolate and an après-ski atmosphere!´
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Winter holiday camps for primary school children week 8
Read more about winter holiday campsDuring the winter holiday week 8, popular two-day science camps will once again be organized for primary school children. The camp day program will be organized 10 am–3 pm, after which campers can stay at Heureka until closing if they wish. Note! The camps are in Finnish. Tickets are on sale until 11.2. 3 pm or until the camps are sold out.
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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. -
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.
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Science for home or on the go
Check out our counting test (only in Finnish!)Are 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.
Currently at Heureka
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Winter tips for visiting Heureka
The most fun and interesting winter day program is a trip to Heureka! We have interesting and exciting programs for all ages.
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H18: Après-ski 14.2.2026
We're celebrating Valentine's Day among adults at the H18: Après-ski event on Saturday, February 14th 7pm–12am. There will be science, mint chocolate and an après-ski atmosphere!
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Finland's most curious class
Finland is full of curious schoolchildren and we want to find the most curious class. The Finland's Most Curious Class competition is organized for the second time. The competition runs until February 28th.
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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...
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Counting test online (in Finnish!)
Heureka's free online test lets you test your counting skills. Note! The test is in Finnish.
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Heureka's extended Friday evenings
We are open with extended opening hours on Friday evenings until 8pm. Read more about Friday evenings at Heureka on this page.
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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.
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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.
