A kit of parts capable of being assembled to form a display rack (63), which comprises: at least one connector member (28); and at least one tray member (10, 11, 12) having: at least one perforation (25, 26, 27) in body of the tray member, each perforation for receiving a pole member, such that one tray plane (65) is connectable to another tray plane (66), one spaced above another, by the pole member; and at least one locking frame (17, 18; 19, 20; 21, 22; 23, 24) in edge (13, 14, 15, 16) of the tray member, each frame for receiving the connector member (28), wherein the connector member (28) has at least one generally "U"-shaped slot (29, 30), inner portion of which being defined by a resilient locking arm (31, 32) having a wedge-shaped tip portion (33, 34), forming a stepped profile (35, 36) in neck of the arm (31, 32); and the frame (17) comprises one aperture (64) for receiving, after the connector member (28) is inserted into the frame (17), the tip portion (33) of the arm (31), such that base of the stepped profile (35) abuts edge of the aperture (64), preventing movement of the connector member (28) off the frame (17); whereby one tray member (10) is capable of being joined edge-to-edge with another tray member (11), by the connector member (28), to form an extended tray plane (65). Also disclosed is a display rack (63) which is assembled from at least one of above-mentioned kit.