Features: Countdown Celebrations: Delight in the excitement of Christmas with 24 different minerals in unique shapes. This countdown calendar will add a sparkle to every day Foster Geology Interest: With this Christmas Gemstone Advent Calendar, kids can learn and identify rocks, gems, and minerals, making it a perfect tool to inspire their curiosity and love for science and geology Safe Material: Release the charm of the Christmas season with our gemstone advent calendar, complete with harmless and easy-to-clean rough and polished rock samples that are safe for both children and adults Perfect Present: Amidst the holiday chaos, make way for joy and surprise with the Christmas Gemstone Advent Calendar: a perfect present for boys and girls. Delight your loved person by revealing a new gemstone every day and make this holiday season unforgettable Wide Applications: Create a charming holiday experience with our gemstone advent calendar. Its beautiful gemstones bring joy and excitement to your home, making it the perfect addition to school dormitory or kids' room Specifications: Name: Christmas Gemstone Advent Calendar Material: Ore Quantity: 24pcs Size: packaging size: 26*18*5cm Product List: 1 Set Christmas Gemstone Advent Calendar Note: 1. Please note that the photo does not show actual size, please refer to description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item.