24 Surprise Stones: This advent calendar features 24 small openings, each filled with polished stones in various colors and shapes. From aventurine to citrine, carnelian to rose quartz, children will discover a new stone surprise every day. This unique and educational approach adds excitement to the countdown to Christmas.Learn and Explore: The calendar encourages children to open a new stone every day, promoting learning and research. As they progress through the calendar, they will realize that fewer doors left unopened means Christmas is just around the corner. This interactive experience sparks curiosity and engages young minds.Versatile Usage: The Advent Calendar is not just a toy for counting down to Christmas. It serves as a great addition to kids' birthday parties, school prizes, preschool props, teaching aids, parent-child interactions, and gift bags. It can also be used as a Christmas countdown calendar to celebrate the arrival of the New Year.Educational Information: The advent calendar gift box is printed with informative details about minerals, helping children understand and identify each stone in their collection. This additional knowledge enhances their learning experience and fosters a deeper appreciation for geology. The calendar provides something for kids, families, and enthusiasts to enjoy, making it an enriching and educational gift option.Encouraging Collection and Exploration: Collecting stones is a popular way for kids to explore the world of geology. This advent calendar introduces them to a range of fossils, rocks, and crystals, fostering a sense of wonder and discovery.