Advent Calendars 2024 With Colourful Stones. Celebrate the season with science and the national geographic 2024 gemstone collection advent calendar! Presented in festive red packaging with a matching bow, and exclusively available in 2024, the calendar conceals.

24 day advent calendar (gold or silver), £695. Presented in festive red packaging with a matching bow, and exclusively available in 2024, the calendar conceals.