The RED AND BLUE ARMCHAIR is one of the few design pieces whose design is internationally recognizable. It has no precedents; therefore, it became a symbol that marked the career of its creator Gerrit Rietveld, embodying the theory that stands behind the built-in concept.

The BALL CLOCK or ATOMIC was designed in 1947 by George Nelson for Howeard Miller Company, and it immediately became an icon of the Fifties. Originally it had a central part made of brass and varnished in red, from which were radiating twelve brass rays with wooden balls at their ends colored same red. The black arrows indicating the time were in geometrical shapes: a triangle to indicate the hour and an ellipse to indicate minutes. Like a molecular structure of an atom, that design was an attempt to calm the nuclear energy. This wall clock free of numbers reflects a metaphysical condition where the time passes without any reference.