A decorative object assembly (10, 110, 210, 310) for attachment to a vertical surface, comprising: a substantially planar decorative block (12, 112, 212, 312) defining an upper edge and a lower edge; a flexible planar strip (18, 118, 219, 319) defining an upper edge parallel to the upper edge of the substantially planar decorative block (12, 112, 212, 312), a lower edge parallel to the lower edge of the substantially planar decorative block (12, 112, 212, 312), and a vertical direction between the upper and lower edges; a first layer of adhesive (20, 120, 220, 320) extending vertically downward from the upper edge of the flexible planar strip (18, 118, 219, 319), for releasable attachment to the vertical surface; an attachment mechanism (14, 116, 214, 316) for attachment to the substantially planar decorative block (12, 112, 212, 312), configured on a lower vertical section of the flexible planar strip (18, 118, 219, 319); and a gap section of the flexible planar strip (18, 118, 219, 319) is vertically between the first layer of adhesive (20, 120, 220, 320) and the lower vertical section, on which no adhesive is adhered; characterized in that the decorative object assembly (10, 110, 210, 310) further comprises: a frame configured around the substantially planar decorative block (12, 112, 212, 312); and a slot within the frame for receiving therein the lower vertical section of the flexible planar strip (18, 118, 219, 319) and in that the attachment mechanism is a mechanical attachment (14, 214) for attaching the lower vertical section to the frame, such that, when the mechanical attachment (14, 214) is engaged, the lower vertical section is within the slot and is attached to the frame. a substantially planar decorative block (12, 112, 212, 312) defining an upper edge and a lower edge; a flexible planar strip (18, 118, 219, 319) defining an upper edge parallel to the upper edge of the substantially planar decorative block (12, 112, 212, 312), a lower edge parallel to the lower edge of the substantially planar decorative block (12, 112, 212, 312), and a vertical direction between the upper and lower edges; a first layer of adhesive (20, 120, 220, 320) extending vertically downward from the upper edge of the flexible planar strip (18, 118, 219, 319), for releasable attachment to the vertical surface; an attachment mechanism (14, 116, 214, 316) for attachment to the substantially planar decorative block (12, 112, 212, 312), configured on a lower vertical section of the flexible planar strip (18, 118, 219, 319); and a gap section of the flexible planar strip (18, 118, 219, 319) is vertically between the first layer of adhesive (20, 120, 220, 320) and the lower vertical section, on which no adhesive is adhered; a frame configured around the substantially planar decorative block (12, 112, 212, 312); and a slot within the frame for receiving therein the lower vertical section of the flexible planar strip (18, 118, 219, 319) and in that the attachment mechanism is a mechanical attachment (14, 214) for attaching the lower vertical section to the frame, such that, when the mechanical attachment (14, 214) is engaged, the lower vertical section is within the slot and is attached to the frame.