Abstract: A furnishing composition having a plurality of furnishing modules that can be assembled according to a variable configuration is provided. Each furnishing modules is provided with a support frame having a support base and at least one engagement seat directed along a vertical axis perpendicular to a support plane of the furnishing composition, and at least one connecting rod having an arm ending, at opposite ends, with a pair of fixing pins projecting perpendicularly to the arm. The fixing pins are at least partially counter-shaped with respect to the engagement seats so as to be engaged in the engagement seats according to a shape coupling. The fixing pins of the at least one connecting rod are engaged in respective engagement seats of two furnishing modules adjacent to each other.