In the Concrete Exercise, students not only learn how to pour concrete in theory, but also experience it first-hand. What does it mean to create a casting mold or formwork and what must be taken into account with a negative mold? How does the initially liquid concrete react over time? And how time-consuming is it to form something? When planning the model and producing the formwork, the perception and processing of three-dimensional spaces is trained. During this exercise, students also learn that every design and every plan has further consequences on the construction site.