Display panels containing an item of merchandise for visual and tactile inspection by shoppers in a retail setting or containing advertising, promotional, or instructional indicia are mounted upon a carousel spinnably supported upon a support member which is attachable to a fixed support conventionally present in a retail store. The carousel is provided with securing members designed to hold indicia cards as well as items of merchandise regardless of whether the carousel is held horizontally or vertically. Two types of support members, for alternative use, are described. A first of the support members includes one pair of mounting hooks attached to a mounting bar attached to one stem of the support member, and a second pair of hooks attached to a mounting bar removably attached to a second stem of the support member for securing the carousel to a pegboard. A second of the support members includes a pair of mounting devices for releasably attaching the support member to a conventional track member defining spaced channels extending along a forward edge of a store shelf.