Welcome! Features: With this National Geographic Advent Calendar, every Advent becomes a fantastic adventure and an opportunity to learn something new! Perfect for rock and mineral enthusiasts, this unusual Advent calendar contains 24 real gemstones. Children will discover rose quartz, carnelian, tiger's eye, geode flakes, blue calcite, jasper in various shapes and many other specimens. On the last day, they will find an extraordinary surprise and can play geologist by removing another gemstone from the attached cluster! With this calendar, every Advent becomes an adventure, and children can learn fun facts about each specimen through the included information sheet. The set also includes a handy storage bag so kids can keep all their new treasures safe. Every day in December until Christmas, kids can open a new window and add a stunning new gemstone to their collection! Let kids create their own sparkle with their new gemstones! That's why this calendar provides fun times all year round! Safety Warning Not suitable for children under 8 years old Package includes: 1 * Christmas Calendar If you notice any problems when you receive the product, such as damage or incorrect quantity, please contact the seller immediately. We strive to provide you with satisfactory customer service.