Object support system comprising: - a breadboard with a plurality of openings, - at least one object holder comprising a base plate and an object holding section, wherein the base plate being provided with means for hooking into the openings of the breadboard and at least one opening which, when the object holder is hooked in, comes to coincide with a corresponding opening of the breadboard, and - at least one fixing element which can be inserted into the overlapping openings (9, 19), wherein - the means for hooking are arranged above the at least one opening of the object holder, and - the fixing element is reversible transferable from a first position into a second position, characterized in that - the means for hooking are designed as downwardly pointing projections, - the fixing element is a part which is completely separate from the object holder and consists of at least two parts, wherein by relative movement of the at least two parts of the fixing element, the latter is transferable from the first position, in which it can be inserted into the overlapping openings (9, 19), to the second position, in which it connects the breadboard and the object holder to one another in a form-fitting manner, wherein the fixing element consists of a base body with a spreading section and a spreading pin, wherein the spreading section being designed to be inserted into the overlapping openings (9, 19), and the spreading pin being designed to be inserted into the base body and, in the inserted state, to spread apart the spreading section, so that the object holder and the breadboard are connected to one another in a form-fitting manner. - a breadboard with a plurality of openings, - at least one object holder comprising a base plate and an object holding section, wherein the base plate being provided with means for hooking into the openings of the breadboard and at least one opening which, when the object holder is hooked in, comes to coincide with a corresponding opening of the breadboard, and - at least one fixing element which can be inserted into the overlapping openings (9, 19), wherein - the means for hooking are arranged above the at least one opening of the object holder, and - the fixing element is reversible transferable from a first position into a second position, - the means for hooking are designed as downwardly pointing projections, - the fixing element is a part which is completely separate from the object holder and consists of at least two parts, wherein by relative movement of the at least two parts of the fixing element, the latter is transferable from the first position, in which it can be inserted into the overlapping openings (9, 19), to the second position, in which it connects the breadboard and the object holder to one another in a form-fitting manner, wherein the fixing element consists of a base body with a spreading section and a spreading pin, wherein the spreading section being designed to be inserted into the overlapping openings (9, 19), and the spreading pin being designed to be inserted into the base body and, in the inserted state, to spread apart the spreading section, so that the object holder and the breadboard are connected to one another in a form-fitting manner.