Add a sparkle to your holiday season with the National Geographic 2023 Gemstone Advent Calendar. Each day leading up to Christmas, kids can uncover a beautifully polished gemstone to add to their collection. The calendar features a variety of gemstones, including agate, aventurine, and hematite, along with a special rose quartz hidden in a mini dig brick on the final day. With jewelry settings included, children can create their own unique jewelry pieces to wear all year long. This educational twist on a classic tradition is perfect for young geologists and gemstone enthusiasts.