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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.
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Recombination
Best suitable for adults interested in art
Welcome on a meditative journey where art comes to life. This film is for you if you want to experience a captivating art experience.
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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The Evolution of Dinosaurs
The exhibition opens 3.10.
How did dinosaurs become the rulers of the Earth? And how did their story end – or did it? In this exhibition you'll meet dinosaurs from across the ages.
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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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Heureka's tips for autumn 2026
A colourful autumn at Heureka! Check out our best tips for what to do on an autumn day 2026.
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Heureka's autumn holiday camps 2026
Heureka organizes two-day science and space camps for curious children in week 42. The camps are perfect for elementary school children who are hungry for knowledge and are enthusiastic about science experiments. Note! The camps are in Finnish. Tickets are on sale until 2 p.m. on October 7 or until...
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Robotics Sat 26.9.2026
On Saturday 26.9.2026 at 10AM–6PM we'll dive into the world of robotics through an interesting and engaging special programme. Heureka’s exhibitions are also open throughout the day.
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Thursday evening ticket for 10 €
Do you want to visit Heureka for 10€? See when the Thursday evening ticket is valid and what you can experience for a more affordable price.
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Attention test online (in Finnish)
This test gives you an indication of your level of attention, impulse control, and working memory. Along the way, we’ll share more information about the topic and tips to help you improve your ability to concentrate. Note! The test is in Finnish.
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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.
