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Summer 2026 holiday tip: fun things to do for the whole family at Heureka
Are you looking for fun and interesting things to do for your summer vacation 2026? At Heureka you will find everything you need for a successful vacation day - whatever the weather! At Heureka you will find a diverse selection of exhibitions both indoors and outdoors, amazing planetarium films and exciting public performances. So both children and adults will enjoy their time here!
On this page you will find all the information you need to plan a successful summer day at Heureka. How much does a visit to Heureka cost , how to get here and what kind of dining options do we have? You will find the answer to these questions and many others by scrolling down the page.
Important information for your Heureka visit in summer 2026
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Last chance: The Giants of the Ice Age
You still have time to experience the hugely popular Giants of the Ice Age exhibition. The exhibition is open until August 30, 2026.
In the exhibition you will encounter almost twenty life-sized animal robots - including a mammoth and a saber-toothed cat. You can also dress up in ice age themed clothing and draw rock paintings. -
Summer opening hours 1.6.–9.8.2026
If you're looking for a quieter time for your summer visit, it's a good idea to arrive first thing in the morning or alternatively in the afternoon. However, please remember that ticket sales end one hour before closing time. On rainy days, Heureka may be crowded.
Opening hours during the summer season 1.6.–9.8.2026
Mon–Fri 9 am–6 pm
Sat–Sun 10 am–6 pm.
Science continues outdoors in the summer
Admission to the Galilei Science Park is included in the price of the Heureka ticket during the summer. The park offers many different attractions, such as:
- A large xylophone that you can use to play your favorite songs.
- A wheelchair track where you can test how well you can move in a wheelchair through different levels, doors and thresholds.
- A human yo-yo where you can try being a yo-yo and fly high in the air.
Tip! Many of the park's attractions involve water. It's a good idea to pack a change of clothes so that your kids can safely explore the water-themed science attractions.
Diverse summer activities for the whole family
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Planetarium: experience the stars brighter than ever
Our planetarium is one of the brightest, most colorful and detailed performance environments in Europe - this is definitely worth experiencing!
Note! The age limit for the planetarium is 5 years.
You can explore our film offering in more detail further down this page. -
Amazing science presentations
During the summer holidays, Heureka offers various public performances every day. By clicking here, you can check out the program for your visit in advance!
- At the rat feeding shows, you can get to know Heureka's beloved domestic rats,
- in the laboratory you step into the shoes of a researcher and get to wear a lab coat, and
- In science theater performances, you can marvel at the amazing science tricks performed by the inspirer.
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Exhibitions suitable for all ages
Would you like to build dams, try tightrope cycling or experience what walking on the moon would feel like? Heureka's diverse exhibition selection invites everyone to play and experiment!
- In the Play and Explore exhibition, everyone can throw themselves into play,
- The beloved Heureka classics amaze again and again, and
- The Water - the Stream of Life exhibition also invites you to reflect on your own water consumption.
Heureka's exhibition selection in summer 2026
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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.
Our 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.
Plan your summer vacation visit: tickets, opening hours and tips
You can easily spend an entire summer day at Heureka. The average visit time is about 4 hours.
Below you will find all the information you need to plan a successful visit to Heureka.
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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 opens and then on site for normal prices):
- €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.
- The Science Park Galilei has lots of fun attractions that include water. A change of clothes is a good idea in case you get wet!
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 visit Heureka with the whole family or just among 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 and the Asteroid Quest planetarium film is recommended for those over 10.
- 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.
Good to know before your summer visit to Heureka
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Children's Medicine Day 22.8.
Read the programOn Saturday 22.8.2026 at 10am–6pm we're hosting 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 nutrition (K18)
Read more about the eventOn Friday, August 28 at 6–11 PM, an adult science evening will be held with the theme of food and nutrition. Secure your place by purchasing or booking tickets in advance!
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When hunger strikes
Go to the Science Restaurant pageThe science restaurant'sdelicious lunch, Science Snack Menu, and small sweet and savory snacks ensure that you have enough energy throughout the entire Heureka day!
An ice cream kiosk is open in front of Heureka every day from 10 am to 7 pm, and in Galilei Science Park you can buy snacks from the Snack kiosk from 10 am to 4 pm.
Heureka also has a snack area if you bring your own snacks. -
Give the gift of science
Discover the Heureka Shop selectionAre you looking for a gift for a recent graduate, a wedding couple, or other summer celebrations?
From Heureka Shop you can grab the best gifts and souvenirs for all ages, or a souvenir for yourself from a fun science day. -
Heureka is a safe space
Get to know Heureka's safe space principlesEveryone 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 experiences for summer vacation trips
Discover Heureka's science experiences that you can do anywhere!Science and summer go together! You can watch Heureka moments with an ice cream in your hand, and while sunbathing on the pier you can do our fun online tests . The science workshop experiments are also a fun summer activity!
Psst! New Heureka moments will be published once a month throughout the summer.
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. Ticket sales starts 14.9. at 10 am.
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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.
