Features: new and high quality Unveil the wonder of our Crystal Advent Calendar 2025, featuring 24 days of natural rock stones and minerals. Perfect Christmas gift for kids and geology enthusiasts. Explore a variety of rocks and minerals, including quartz, chalcedony, agate, and more. Each day brings a new surprise and a chance to learn about the marvels of nature. Designed for kids, families, and hobbyists, our Crystal Advent Calendar offers an educational and enjoyable experience. Identify unique minerals with clear instructions and dive into the world of geology science. Elevate your holiday decor with our Crystal Advent Calendar. Perfect for home, classroom, or office decoration. Let the festive spirit fill the air as you uncover the beauty of these natural stones. Make this Christmas unforgettable with our Crystal Advent Calendar. This thoughtful gift brings excitement while providing a captivating science experience. Embrace the thrill of discovery and rejoice in the joy of the season. Specifications: Material: Ore Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Set x Advent Calendar 2025 Crystals