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May Day at Heureka 2026 – Science experiences for the whole family in Vantaa
Buy Heureka tickets €3 cheaper in advanceJoy and experiences for the whole family at Heureka for the spring celebration! If you're looking for something to do for the whole family on May Day, Heureka is a weather-safe destination brimming with the joy of discovery.
In this article you will find everything you need to plan a fun day at Heureka. We offer interactive exhibitions , amazing performances and a renovated planetarium . You can also learn more about Heureka's May Day opening hours , arrival instructions , prices and frequently asked questions.
Why spend May Day at Heureka?
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You'll enjoy Heureka both when it's sunny and when it's raining
May Day is a notoriously exciting time when it comes to weather conditions - you never know whether you'll be wearing a winter jacket or a summer dress. One thing is for sure: It's always sunny at Heureka!
Most of our exhibitions are located indoors, except for our fun outdoor exhibition Galilei Science Park, which opens on May 1st 2026!
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Suitable for all ages
The best thing about Heureka is its versatility: there is something for all ages to do here. All the exhibitions have something to offer both children and adults.
For example, we recommend:- Fun attractions at the Play and Explore exhibition for children,
- Moonwalking and tightrope cycling for those over 140 cm tall
- For everyone over 5 years old, exploring the planetarium's film offering .
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Helsinki, Vantaa, Espoo: Heureka is always around the corner
Arriving at Heureka is easy from different parts of the Helsinki metropolitan area.
- From the centre of Helsinki, you can take the train to Tikkurila Station in up to 15 minutes. From Tikkurila Station, you can walk to Heureka in less than 10 minutes.
- A spacious and free parking lot can be found at Kuninkaalantie 5.
- There are also bike racks in front of Heureka.
During the summer science continues outdoors
Galilei Science Park opens 1.5.2026
During the summer season, Heureka's exhibition offering continues right into the backyard
Galilei Science Park will open 1.5.2026.Galilei Science Park features large-scale exhibits based on music, mathematics, and physics, many of which involve water.
Mead and donuts
May Day lunch at the Science Restaurant
On May Day, May 1st, from 11 am to 3 pm, a tasty May Day lunch will be served at the Science Restaurant .
- Asparagus soup (VE, G)
- Cauliflower wings, deep-fried tofu and sweet chili sauce (VE, G)
- Overcooked BBQ ribs of grain-fed pork and Cajun-spiced corn on the cob (L, G)
- Fried chicken with green curry sauce and sugar snap peas (L, G)
- Roasted potatoes (VE, G)Rice (VE, G)
- Meatballs (M, G) sausages (M, G) french fries (VE, G) spinach pancakes (L)
- Mini donuts
- Science Restaurant's Mead (VE, G)
Price of May Day lunch:
- Adults: €14.90
- Youth (7–13 years): €12.70
- Children (under 7 years old) accompanied by a guardian: €1.50 / year of age
What can you do at Heureka?
You can explore our offerings in more detail in the lists below - they include all of our exhibitions , planetarium films , and public performances .
For May Day 2026, we especially recommend the following exhibitions:
- The renewed Heureka Classics exhibition , which will be completed just in time for the spring celebration. The beloved classics exhibition has received a new look during spring 2026,
- Giants of the Ice Age , where you will encounter 20 life-size animal robots, and
- Play and Explore , where both children and adults can throw themselves in to the world of play.
Below you will find all of 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.
Discover Heureka's 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.
Discover Heureka's public performances
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Science On a Sphere -shows
During guided performances, participants analyse satellite data about the oceans, climate, the earth's crust and space.
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Laboratory experiments
In the laboratories, you can learn about microscopy or chemical reactions, for example, under the guidance of an inspirer.
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Rat feeding show
Heureka's domestic rats are among the science center's most popular destinations. In the rat feeding shows, you will hear more about the life of Heureka's rats.
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Tips and frequently asked questions
Heureka has fun activities for a whole day, a restaurant , a shop and free parking. Below you will find all the practical information you need to plan your visit.
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Tickets and prices
You can buy Heureka tickets in advance for €3 less from the online store. The Heureka ticket includes all exhibitions, programs and planetarium films.
In advance from the online store (tickets for the current day can be purchased from the online store until Heureka's opening time):
- €23/adult (over 18 years old)
- €16/children + youth (5–17 years)
- €16/students, unemployed, pensioners and conscripts*
- €0/children under 5 years old.
- €0/ Museum Card / Kaiku card
On-site (ticket sales on-site end one hour before Heureka closing time):
- €26/adults (over 18 years old)
- €19/children + youth (5–17 years)
- €19/students, unemployed, pensioners and conscripts*
- €0/children under 5 years old.
- €0/ with Museum Card and Kaiku Card
Directions and parking
Heureka is easily accessible by public transport or by car.For more detailed arrival instructions, click here.
What should you bring with you to visit Heureka?
You don't need to bring anything special with you to visit Heureka - all you need is a curious mind!
- You are allowed to bring your own snacks and can eat them in the snack area upstairs. The snack area is accessed via a spiral staircase or elevator, which can be found next to the Giants of the Ice Age exhibition .
- It is a good idea to wear comfortable clothes to Heureka so that it is as comfortable as possible to try out the functional sites, such as the Moon Walk site in the Our Journey in Space exhibition .
What ages is Heureka suitable for?
Heureka is suitable for all ages. There is plenty to do for both children and adults, so you can come to Heureka during the winter holidays with the whole family or just adults. Here are a few age recommendations and restrictions that are good to know before visiting:
- The age limit for the planetarium is 5 years. The Stellars - Mission: Green planetarium film is especially recommended for children aged 5–10, the Asteroid Quest planetarium film is recommended for those over 10, and the Recombination planetarium film is especially suitable for adults.
- The Play and Explore exhibition is especially suitable for the youngest members of the family.
- The Moonwalk attraction in the Our Journey in Space exhibition has a height limit of 140–210 cm and a weight limit of 30–150 kg.
Toilets and childcare facilities
- The childcare facilities is located in the entrance hall behind the coat racks. The toilets are also located in the same area.
- Toilets are also available in the corridor behind the spiral staircase next to the Giants of the Ice Age exhibition and in the snack area upstairs. The snack area is accessible via the spiral staircase or by elevator.
Dining and shopping
- The Science Restaurant offers a hearty lunch, a delicious Science Snack Menu, and smaller savory and sweet snacks every day.
- Heureka Shop is located in the lobby. You will find the best science gifts and souvenirs from your visit to Heureka.
Accessibility
- Heureka is committed to providing an accessible experience for all visitors. Our space is designed to accommodate various mobility restrictions and other special needs. You can read more about accessibility at Heureka by clicking here.
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.
