That is a Lantern, made with a balloon filled with water. The water balloon is dipped, repeatedly in a vat of wax. Once you have dipped it enough times to get the thickness you desire, release the water from the balloon and you are left with a wax shell. I put sand in the bottom of mine to keep the candle from heating up the bottom of the lantern, and damaging it. You will need a large vat, filled with enough wax to submerge the balloon (make sure it doesn't overflow when the balloon displaces the wax). I use a paraffin with melt point of 149, and dip at 160 degrees. I am not sure if the dipping temperature would work for all varieties of wax, this is something you may have to experiment with, or someone else may have some info for you. HTH Janette PS-This may not be the easiest project to start with, but have fun.