Monthly rendez‑vous The second Saturday of the month Discover the Family Lab, a DIY exploration zone designed specifically for families who want to enrich their visit to the Planétarium. Offered all day long every second Saturday of each month, this immersive space offers educational and scientific activities for children that spark curiosity, dialogue, and creativity; no reservation required. Free activities for children and families The Planétarium’s Family Lab changes with each edition: activities and materials evolve month by month to offer an experience that is always surprising and different. A great way to come back again and again as a family. Explore and experiment in an environment that encourages active learning. Depending on the program, visitors may, for example: Build their own rover robot with Marsmobil. Let their imagination run wild by creating spaceships, space stations, and any other intergalactic inventions in the building area filled with bricks and technical parts. Activities are intended for children aged 6 to 12 (accompanied by an adult). A sensory exploration zone for children aged 0 to 5 is also open all day, allowing little ones to discover at their own pace. No reservation required.