to which planning symbols adhere in a particularly simple manner by the simple expedient of lamination by a transparent foil any pictorial representation which is fixed to a sheet of paper or the like in any manner can be converted into a board to which the symbols or planning elements 5 adhere by coating it with a foil 4 the plan with the planning elements or symbols adhering thereto can then also be copied and in this way the experimental condition of the configuration of the symbols can be fixed whereafter further experimentation by means of the planning elements may be proceeded with in this way the possibility is provided in a particularly simple manner of providing any form of representation fixed on paper in the form of a board to which planning elements or symbols adhere a suitable transparent foil 4 can readily be found by experimenting with the materials which are commercially available referring now to fig6 8 and to fig6 in particular there is shown another embodiment of the invention whereon a sheet of paper 11 is provided on one surface with a plan of representation 12 by means of printing or the like the plan 12 may be any suitable design such as a layout or floor plan of a factory in which machines furniture etc are to be located in selected positions the paper sheet 11 may be of any size and of conventional thin form such as stationery paper or the like so as to be highly flexible as in the embodiment of fig1 4 a transparent foil 13 of flexible plastic material is adhesively releasably and detachably secured in overlying relationship with the paper sheet 11 so that the layout 12.