Via Aquaria in Klaipeda, Lithuania produces Advent calendars in various constructions and sizes. Count down the days before Christmas with the bespoke Advent calendar. This product in most cases is a non standard solution, suiting specific customer needs and product size that are packed inside. Custom made advent calendars can be made out of various materials from lined grey-board to regular foldable carton. Advent calendars come in quantities from few hundred to couple thousand.