Provided is a modular construction kit adapted to construct a raised temporary platform, the modular construction kit comprising one or more floor elements (1), wherein the floor element (1) comprises a monocoque structure (6) forming a floor section (21) and a flange section (3), wherein the flange section (3) is adapted to strengthen the floor element (1) and is adapted to be attached to a further floor element (1), wherein the floor elements (1) are load bearing and cooperate together to bear the load of the platform so as to form a self-supporting floor, without the requirement for a supporting floor frame.