Make Your Own Retro Nixie Clock With an RTC! : 7 Steps (with Pictures) - Instructables
IN-14 Arduino Shield Nixie Tubes Clock in a Clear Acrylic Case [RGB, USB, Musical] [with Columns and Sockets] [Temp. sensor, GPS time sync., IR Remote] – GRA & AFCH
in-14 nixie tube clock assembled black acrylic enclosure adapter 6-tubes – buy from e-shop Millclock: price, reviews, photos, specs