Fire and Ice Lanterns! Fill balloon with water, place small Dixie cup in the neck of the balloon far enough to make space for a battery operated tea light, freeze then tear balloon off, & insert tea light. Full directions on link. Beautiful!
DIY: Frozen Ice Candle Holders Gardenista Fill balloons with water, partially freeze, then peel off the latex. For materials, see below; for step-by-step instructions, see Willowday. Fill a 12-inch balloon with water, blow in a puff of air and tie a knot.