Variety Natural Crystal Gemstones, No Duplicate Gemstones:The crystal advent calendar includes Yellow Calcite, Red Onyx, Green Aventurine, Pink Chalcedony, Rose Quartz, Amethyst, Ruby Zoisite, Blue Apatite, Tiger's Eye, Opalite, Lolite, Lemon Calcite, Amazonite, Himalayan Natural Rock Salt, Labradorite, Red Jasper, Amethyst Point, Howlite, Milky Quartz Crystal, Obsidian rough stones, Sunstone, Snowflake Obsidian, Orange Calcite Rough. ---- Rock Collection & Geology Learning: This natural rocks and crystals advent calendar set is not only suitable for collecting but also for geology learning, stimulates children's interest in geology, and guides children to learn more about the structure and qualities of the stones. This rock advent calendar 2024 is the perfect gift for rocks and minerals collectors, young learners, and anyone seeking to deepen their connection to the natural world. ---- Countdown to Christmas: Make this holiday season unforgettable with our gemstone advent calendar, the best 2024 advent calendar for kids, girls, boys, women. Each day, children open a new door to reveal the magic of genuine gemstones and crystals. Idea Christmas gifts for 4, 5, 6, 7, 8, 9, 10, 11, 12 year old kids, boys, girls and teen girls. Advent calendar 2024 adult. ---- Great Home Decor & Craft Accessories: These rocks and crystals have many uses! They make great aquarium rocks and are also good for plant and candle arrangements. Use them as gemstone home decor or with a jewelry making kit, carry the energy of your favorite gem with you! Chakra advent calendar for adults who desire additional insight into their new stones!