• 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.

    Buy Heureka tickets in advance online for €3 less
  • A boy and a man in front of a mammoth at the Giants of the Ice Age exhibition.

    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.

  • Heureka's most popular visiting times during the summer.

    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.

    Opening hours during the summer season 1.6.–9.8.2026

    Mon–Fri 9 am–6 pm
    Sat–Sun 10 am–6 pm.

Girl at the human yo-yo attraction at Galileo Science Park.

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.

Poika, tyttö ja nainen rakentavat mäkiautoja.

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.

Check out the program for your visit day

Collapsible content

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 and then on site):

  • €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:

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

  • Kevään vinkit Heureka-vierailulle 2026

    Tips for your Heureka visit in spring 2026

    The most fun and interesting program for a spring day is a trip to Heureka! We have interesting and exciting programs for all ages.

  • NOX-tiedeilta (K18) 27.3.

    NOX evenings for adults (K18) 27.3.

    NOX Science Evening for adults (K18) will be held on Friday, March 27th from 6–10 pm. The theme is mental health. There will be expert talks and insightful workshops. In addition, Heureka's exhibitions will be open throughout the evening. Tickets €10, admission also with a Museum Card and Heureka Club...

  • Verraton vesi -perhepäivä 11.4.

    Water Family Day 11.4.

    Welcome to an event for the whole family on Saturday, April 11th from 10 am to 6 pm, where you will dive into the secrets of water. In the workshops, you will have the opportunity to experiment yourself, and learn new things about water, which is vital to us.

  • Kesän tiedeleirit 2026

    Summer Science Camps 2026

    Are you looking for a summer camp for your child in the Helsinki Metropolitan Area? Heureka organizes week-long science and space camps for elementary and middle school children throughout the summer. Ticket sales start on Monday, March 23 at 10 a.m.

  • Hulvattomien Heureka-hetkien uudet jaksot

    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.

  • Heurekan pidennetyt perjantai-illat

    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.

  • Torstain iltalippu kympillä

    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.

  • Suomen uteliain luokka

    Finland's most curious class

    Finland is full of curious schoolchildren and we want to find the most curious class. The competition time has ended. The winners will be announced at the end of March.