Device for modifying the shape and decoration of flower (window) boxes. The invention relates to a device making it possible to modify the length and decoration of flower (window) boxes, during use. It consists of sections 3 and 4 allowing the assembly of identical elements 1 and 2 which form the lateral walls and the bottom. The front and rear faces are held tightly against the said elements by clamping rods 6. This device according to the invention is intended for the construction of flower (window) boxes. <IMAGE>
