For the first time, a student laboratory for a fourth primary school class entitled "Let's explore the climate" was planned by BK AHS students at the University of Siegen. Over the course of several months, budding educators developed ideas for age-appropriate implementation, concretized plans and showed great talent in creative design. Dr. Andree Georg from the Geography and Physics Didactics Department provided advice and support, resulting in four research stations at which the 4b of Hammerhütter Primary School collected stickers for their researcher cards with each investigation on 18 February 2026. The premiere expands the range of activities offered by the school laboratory and strengthens the collaboration with the AHS Siegen vocational college. As a result, the school lab now offers prospective educators the opportunity to gain experience at the University of Siegen in addition to the existing courses. (AG,SH)