Rim your martini glass with sugar if you like by wetting the top edge and dipping it in the sugar rimer.
Next add the pear vodka and the elderflower liqueur.
Follow with champagne or sparking wine to the top of the glass.
If you decide to add some simple syrup you could add it before the bubbles or after. Its up to you. We would do it after just because then you can taste it first to see if you even want any!
If you like add some ice cubes.