Interior Space and Exhibition Design Transformers Pop Up Store by Hsuan-Hui Lee Transformers the Skin Test House is a pop up store designed for a cosmetics brand. The store is built from containers with a steel structure, while the floor, ceiling and walls are made of wooden and eco-friendly materials. LED light boxes and showcases present the products inside. The units can be assembled in twelve hours and combined in different numbers, and a canopy can be added for rainy weather. All materials are reusable, and the store has been assembled and taken apart about sixty times for exhibition events in public places.