The Science Festival, a major annual rendezvous that has brought together the public and the scientific community for more than 30 years. This year, under the theme "Savants' Flavors", hundreds of activities, exhibitions, festivals open to all are being offered for free, from October 2 to 12, 2026.
The main aim of this major scientific event is to showcase the work of researchers and scientists. But it's also about raising public awareness of issues that affect them. By organizing numerous activities adapted to children, the participating institutions also hope to interest young people in complex but fascinating subjects, and - who knows - perhaps inspire vocations!
In Paris and the Ile-de-France region, during these October days, you can take advantage of a wide range of events at museums, schools, scientific laboratories and cultural centers in the region.
And you, are you more into mineral exhibitions, science festival orescape game? In Palaiseau, the whole town tunes into science. From École Polytechnique to the C2N, there’s something for every age and every passion. Discover what’s in store.
C2N Center for Nanoscience and Nanotechnologies
A look at the equipment in our laboratories
Come explore and handle the small equipment in our laboratories, and try to guess the price of our very large scientific instruments. Children aged 7 and up can step into the shoes of researchers by carrying out short, fun experiments, and earn their "scientist" diploma.
Free admission from 2:00 PM, closing at 6:00 PM.
Participation conditions:
• Conditions: Reservation required
Hours: Saturday, October 10 — 1:45 PM to 6:00 PM
Ecole Polytechnique
A look at the equipment in our laboratories
Come explore and handle the small equipment in our laboratories, and try to guess the price of our very large scientific instruments. Children aged 7 and up can step into the shoes of researchers by carrying out short, fun experiments, and earn their "scientist" diploma.
Free admission from 2:00 PM, closing at 6:00 PM.
Participation conditions:
• Conditions: Reservation required
Hours: Saturday, October 10 — 1:45 PM to 6:00 PM
Dates and Opening Time
From October 2, 2026 to October 12, 2026
Location
Palaiseau
Mairie
91120 Palaiseau
Route planner
Prices
Free















