STUNNING SPECIMENS FROM AROUND THE WORLD: up to 60 types of natural crystal ores in random combinations，24 days of advent calendar crystals rock gemstone minerals and fossils specimens from all over the world. Each day will reveal a new natural ore to help you learn and experience the fun that natural ore has to offer you
DETAILED INTRODUCTION BOOK OF CRYSTAL ORES: an introduction book is included with the advent calendar, helps to understand and identify each kind of crystals and minerals. Note: ore numbers are located at the bottom or side of the grid
EDUCATIONAL AND FUN ACTIVITIES: With a clear and orderly instruction booklet and corresponding numbers, you can easily identify all rocks and crystals, you can unlock unique minerals and explore the field of geology science for Learning or Collection with your families together
DELICATED PACKAGING & GREETING CARDS: Our products are designed by a professional design team, with beautiful and original appearance and natural ores, and come with a professional introduction booklet, brings you a good use experience. Perfect Gift and sharing happiness with family and friends anytime, anywhere
EXCELLENT SERVICE: It is our greatest desire and pleasure to offer you our Excellent Service and Best After-Sales Support. If you have any questions about our product, please feel free to contact our team for help