Abstract: Luminescent balloons (18', 18") and methods of manufacture thereof wherein one or more balloon forms (11) are respectively moved through discrete sequential processing stations (12/16, 14/21 and, optionally, 15/22) for the purpose of applying successive laminations (19, 20 and, optionally, 24) on the balloon forms (11), which laminations are dryed, set and cured in drying stations (16, 21, 22) so as to form a balloon (18', 18") having: (i) an outer lamination (19) formed essentially of pure latex and providing structural integrity for the balloon; (ii) an inner lamination (20) bonded to the inner surface of the outer lamination (19), in which inner lamination (20) the luminescent dry solid particles are maintained in a latex carrier and constitute at least FIFTY PERCENT (50%), and preferably from SIXTY-FIVE PERCENT (65%) to SEVENTY-FIVE PERCENT (75%), of the total dry solids in the inner lamination (20) for imparting the luminescent qualities to the balloon; and (iii), optionally, a third essentially pure lat