Features: Christmas Surprise: Before Christmas, the whole family will unveil this little surprise every day. The children will love it Some of the surprise fidget toys advent calendar can also be used as parent-child games Create Christmas Atmosphere: Advent Calendar Bag is decorated with Christmas elements such as red color, creating Christmas atmosphere. Interesting Collection Kit: The box has a learning guide, allowing your kids to learn about each rock and easily identify each specimen. This is awesome for your starter collector. Great Gift: Share happiness with family and friends anytime, anywhere. The perfect Christmas toy for kids birthday party favors, giveaways, everyday gifts, school prizes, preschool props, teaching aids, and holiday gift bags. Customer Service: If you have any questions about this product, please contact us in time, we will provide you with dedicated service. Specifications: Material: Crystal, gemstone Type: Surprise boxes Package Size: 9.6*7*1.6in