Gem Advent Calendar 2025 For Adults. Gemstone advent calendar 2023 for kids with 24 days christmas countdown, grystals & natural rock stones & minerals for exploring, learning, collection, xmas gift for girls boys geology. Our advent box is loaded full of gems, minerals, and crystals to.

Christmas crystal advent calendars starting from £22.50. Advent 2025 begins on sunday, november 30th, starting the celebration season for the birth of jesus christ with the advent season ending on the first mass of christmas (vigil mass) on.