Universiteit Leiden

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Be amazed and inspired during the Leiden Science Family Day!

On Sunday 8 October 2023, during the Weekend van de Wetenschap, the Faculty of Science of Leiden University will open its doors to anyone curious about science from 11.00 to 16.00 hrs! Explore a world of wonder and discovery; where science is transformed into an unforgettable adventure. Intriguing experiments, fascinating presentations and interactive workshops are waiting for you. Will you be there?


Create your own magical slime at our exciting Experiment Square, be amazed by the power of light and make a can move forward without touching it. Let your creativity shine on the Leiden Science colouring page and transform into a living work of art yourself.

Throw yourself into a day full of knowledge and new insights with fascinating talks on the latest developments, such as the world of artificial intelligence and drug research. Especially for our youngest explorers, there are two children's lectures. Learn all about the musical talent of animals. And have you ever wondered if your birthday is juggling? Find out during one of the surprising children's lectures!

Let your imagination run free during our exciting workshops and demonstrations. Travel to Mars in our mobile planetarium, be amazed by experiments with liquid nitrogen at an incredible -196 degrees Celsius and dare to crack the DNA code under the guidance of Naturalis researchers.

And always wanted to walk in one of the most vibration-free places in the world? You can during one of the Science Experience tours!

For who?

Everyone is welcome at the Leiden Science Family Day. We have set up a diverse programme that takes into account children and adults.

Sign up

Entry is free but to ensure the day runs as smoothly we would like to ask you to register in advance. You can register using the form below.


Do you have a question about the Leiden Science Family Day? Then contact us at events@science.leidenuniv.nl.

Watch the aftermovie of the last edition of the Leiden Science Family Day here

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