Abstract: The slotted upright attachment adaptor kit of the present disclosure and related inventions is used to create retail space where it did not previously exist. It allows for temporary promotional or seasonal displays to be attached to an existing fixture without the use of tools. The kit includes a slide bar, four attachment pins or fasteners and one or more s-hooks.

Abstract: A sign cube system having a substantially square-shaped box portion having four substantially planar side surfaces, one closed end and one open end, and a wire support having a substantially square-shaped portion which is inserted into the open end of the box portion and a stem extending perpendicular to and vertically downward from a center of the square-shaped portion. The wire support may be attached to an upright bracket and inserted into a substantially hollow upright member of a retail merchandise display or the wire support may be attached to a stringer which extends horizontally between two upright members of the retail merchandise display.

Abstract: A sign cube system having a substantially square-shaped box portion having four substantially planar side surfaces, one closed end and one open end, and a wire support having a substantially square-shaped portion which is inserted into the open end of the box portion and a stem extending perpendicular to and vertically downward from a center of the square-shaped portion. The wire support may be attached to an upright bracket and inserted into a substantially hollow upright member of a retail merchandise display or the wire support may be attached to a stringer which extends horizontally between two upright members of the retail merchandise display.