Past activities
Nieuwe activiteiten
Playing with mathematics
Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...
The Future of Technology - How do you envision it?
A workshop about the future of technology with a tour through a lab and a free dinner.
Planktonium
Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.
Astronomy on Tap: Neutron Stars & Radio Bursts
Games, quizzes, and talks where you can win cool science prizes!
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
To Breathe: Leiden Kimsooja
On the Oude Vest, the Lucas van Leyden Fund is realizing the public artwork To Breathe: Leiden by Kimsooja, winner of the Lucas Art Award.
Seeing Stars Citizen Science
During the night of Seeing Stars Leiden, Citizen Science will try to answer many burning questions!
More-than-Planet
Starting on the 2nd of July, you can view a new exhibition at the Leiden Observatory: More-than-Planet. How do we imagine our planet?
Planktonium
Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
To Breathe: Leiden Kimsooja
On the Oude Vest, the Lucas van Leyden Fund is realizing the public artwork To Breathe: Leiden by Kimsooja, winner of the Lucas Art Award.
Route of Discoveries
There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...
Orange the World: Stop Geweld tegen Vrouwen
Leiden turns orange again this year! More than 90 countries around the world will be taking action against violence against women from Novem...
Orange the World: Stop Violence Against Women
Leiden turns orange again this year! More than 90 countries around the world will be taking action against violence against women from Novem...
Playing with mathematics
Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...
Seeing Stars Citizen Science
During the night of Seeing Stars Leiden, Citizen Science will try to answer many burning questions!