Fragmenting the mass has been one of the major contextual parameters for the design of the science museum in Eskişehir. These fragments helped the integration of open-air spaces offering leisure opportunities while experiencing the museum items. The pieces are then connected both at the underground level and the first-floor level when needed, to ensure the physical continuity of the function for the visitors. The open-air facilities are located around the river side and sustained towards the courtyard formation. Daylight from North had a specific importance for the perception museum items that expressed itself with the façade formation.