Features 1. Reusable Decoration: These soft natural ores can be reused. This Christmas Advent Calendar is very suitable for Christmas decoration in homes, schools, dormitories, children's rooms, etc. 2. Christmas/Valentine's Day Advent Calendar: 2023 Advent Calendar helps to learn and identify every gem and mineral in your collection. It can also be a countdown calendar. The Advent Calendar contains 24 ores of different colors/shapes. 3. Christmas Advent Surprise: Christmas countdown keeps kids excited. Open the small door to reveal the surprise stone. Every day from December to Christmas is a fun experience. 4. Perfect Christmas Present: In the holiday-themed counting calendar box, this Christmas toy gift is for boys, girls, kids, adults, teens. It meets need of different ages, different leavel. This puzzle maze gives you hours of fun while competing who can solve more. It will be lovely to play and share fun. 5. Educational Toy: Crystal Gem collecting is a popular hobby, and this rock collection kit is the perfect way to in-spires a lasting love of geology for kids, and teach them about the crystals stone inside! Specification Material: Stone Color: Pink Size: 26 x 22 x 3 cm Weight: 260 g Package Include: 1 Box x Crystal Advent Calendar