Students of Interior Design and Product Design from IED Barcelona, Escola Superior de Disseny, have participated at the One Day Project, a workshop where they had to build a 2x2x2m space with recylced materials given by the Centro Comercial Glòries. ldo is part of the management team and is responsible for classifying the wide variety of materials stored in the basement of the shopping center Glories. Infinite number of structures and forms of wood, metal, plastic and cardboard. Objects such as furniture, shoes, baby cars, carpets, displays, lamps, shopping carts, cd's, bed frames, dummies, pallets, photo paper were used for experiment and deconstruct in the workshop of reuse.