Waterlight Graffiti

Waterlight Graffiti

Waterlight Graffiti is a project with the aim to create a material made of thousands of LEDs that light up when touched by water. When the water touches the frame of an LED, it creates an electrical bridge that transfers the power required to light up the LED embedded under the surface. The wetter it is, the brighter it gets.

Based on an idea as simple as bright, Waterlight Graffiti’s purpose is to be a new kind of reactive material for drawing or writing ephemeral messages made of light. This project allows anyone to graffiti the wall of LEDs using a basic environment-friendly atomizer. The use of water, which has neither shape nor colour, to draw light, is a magical experience, regardless of the age of the audience or their artistic sensibilities. This opportunity finally becomes a new way of interaction with urban architecture. By combining a natural element with technology, Waterlight Graffiti’s users can even play with the weather or the rate of evaporation or speed for example. Waterlight Graffiti also has a surprising role during rainy days, turning them into fireworks of damp LEDs.

Antonin Fourneau

Antonin Fourneau’s creations focus on the interactions between the history of technologies, games, light, sound and cinema. Antonin’s work takes different forms: installations, attractions, objects and events.  In 2012, after a trip to China, Antonin developed and patented a project for a moisture-sensitive material that lights up when in contact with water, called Waterlight Graffiti. This technically smart creation provokes such amazement that it is regularly exhibited internationally. Fascinated by the public’s reaction, Antonin continues to be interested in smart materials today. However, he is also considering working on non-human forms of interaction. In addition, Antonin teaches Media Design at ENJMIN game School.

Visiting hours

Thu, 11.1.2024 — Sun, 21.1.2024

18 pm – 22 pm


Pavilion at the Kurplatz
Nationalquai, 6006 Luzern


Over 20 light installations around the Lucerne lake basin and in the old town can be discovered free of charge.



Artists from all over the world enchant the streets, squares and facades of the city of Lucerne with unique light art. Discover the enchanting light installations on a free tour.

Lilu guided tours

On the Lilu guided tours, you can take a look behind the scenes of the popular light festival and learn more about the light art and light installations. With our experienced Lilu guides, you can take home some exciting and interesting knowledge.

Come with us on a guided tour of the versatile light installations of the Lilu Light Festival Lucerne 2024.

Learn interesting background information about some of the installations and their artists. The guided Lilu tour starts daily from January 11 to 21, 2024 at 6:15 pm and at 7:15 pm and is in German Language. Not all installations will be visited. The tour is barrier-free. Wheelchair users are requested to inform us in advance.


Thu, 9.1.2025 — Sun, 19.1.2025

daily at 6:15 pm and at 7:15 pm

Buy ticket


German (other languages on request)


Tickets adults

CHF 25

Ticket children 6-15.99 years