Bullet Points: 1Funny Christmas Calendar This Advent Calendar contains 24 mineral specimens, and may contain identical or not shown specimens. There are different surprises every day, forming a lasting attraction for children. 2DIY Necklace This Christmas Advent Calendar crystal ore can be used for DIY necklaces, bracelets, and other jewelry. It's also a great way to teach numbers to children. Opening only one a day can also cultivate a child's endurance and time concept. 3Welcoming Christmas Ore Christmas Advent Calendar features a countdown and has mineral specimens in different styles. Full of randomness, it will give you a lot of surprises and entertainment every day. 4Stimulate Interest This Rock Advent Calendar inspires children's desire to explore the world of minerals by discovering and recognizing different ores every day. And let them develop a love of geology. 5Holiday Gifts Kids can get a surprise from the Gemstone Advent Calendar every day in December leading up to Christmas. It is very suitable to give to children as birthday gifts, Christmas gifts, etc. Description: The Gemstone Advent Calendar has 24 cells, and each cell contains a random ore. You can start the countdown to Christmas in December, bringing the joy of looking forward to Christmas and surprises every day. Features: 1. Contains 24 crystal specimens, there are different surprises every day in December. 2. Countdown to Christmas. 3. Can be used to DIY necklaces, bracelets, and other jewelry. Specification: Material: Ore Size: about 26.5x22x3cm or 10.43x8.66x1.18inch Packaging List: 1xChristmas Advent Calendar(contains 24 crystal stones)