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The most fun winter days 2025 and 2026 - things to do for children and adults!
Whether the winter of 2025 and 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 2025/2026 from this page.
The renovated planetarium will open 26.12
The planetarium's renovation is nearing completion: the last benches are being attached, the presentation technology is being perfected, and the dust is being wiped off after the renovation.
While you wait for the opening day, you can already get acquainted with the upcoming program of the renovated planetarium. You can find the films in the cards below.
Discover 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 will open on Saturday 20.12.
The new play exhibition will open 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
Opens 20.12.2025
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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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.
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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.
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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
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
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
Circular Factory is an exhibition of sustainable development solutions. How can familiar objects be recycled as efficiently as possible?
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The Idea Workshop
Open until 7.12.
In the challenges of the idea shop, you can aim for style, speed or, for example, slowness.
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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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Give someone the gift of science
Check out the best Christmas gift ideas 2025From Heureka Shop you can grab the best Christmas gifts for all ages or a souvenir for yourself to remember the fun science day you had. Behind the link below, we have collected the funniest and smartest Christmas gift ideas for children and adults from Heureka Shop's selection!
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Give an experience as a gift
Read more about what the Heureka gift card has to offerGive an experience as a Christmas gift - a gift card to Heureka is a great gift for a science and culture lover. The ticket is valid for 12 months from the date of purchase. You can also give the gift of science for a whole year by purchasing a Heureka annual card!
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To Heureka during the Christmas Holidays
Lue parhaat vinkit joululoman Heureka-vierailulleWelcome to enjoy science during the Christmas Holidays! We are open as follows:
24.12. CLOSED
25.12. 12pm–6pm
26.12. 10am–6pm
31.12. 10am–5pm
1.1.2026 10am–6pm
6.1.2026 10am–4pm -
Heureka's advent calendar (in Finnish)
Check out Heureka's InstagramThis year's advent calendar immerses you in a magical adventure in the form of 12 doors. The story continues every other day until Christmas Eve. The story is in Finnish.
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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. The camps go on sale Monday 15.12. at 2pm.
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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. -
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
Discover Heureka's science experiencesAre you planning long car trips over the Christmas holidays or 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.
Currently at Heureka
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Winter 2025 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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Gift ticket to Heureka
Give an experience as a Christmas gift - a gift card to Heureka is a joyful gift for a lover of science and culture. The ticket is valid for 12 months. Buy a gift card in the online store!
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Christmas gift ideas 2025 - best tips for men, ...
Looking for the perfect Christmas gifts? Find inspiring Christmas gift ideas for men, women and children. Order easily online from the Heureka Shop selection.
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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 go on sale Monday 15.12. at 2 pm.
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The renewed planetarium open 26.12.
We will open a fully renovated and state-of-the-art Planetarium 26.12.
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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.
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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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Thursday evening ticket for 10 €
Note! The discount does not apply on Thursday evening 25.12. 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.
