Warm NOTE: Christmas is coming and we will include a Christmas card that you can give to your friends or family as a Christmas giftBy the way: Merry Christmas24PCS Crystal Advent Calendar 2023: The Christmas countdown calendar 2023 includes 24 natural mineral rocks, each representing the day before Christmas. From December 1st to Christmas Eve, your child can open a gemstone every day to look forward to Christmas. Enjoy a perfect Christmas holiday by collecting these gemstones.Bringing a Great Learning and Exploration Experience: Each mineral rock in the Christmas countdown calendar has a different color, texture, and pattern, allowing your child to experience the arrival of Christmas while also better exploring and learning geographical knowledge, understanding fossils, rocks, and crystals, and creating unique holiday memories for your child.Parent-Child Interaction - DIY Christmas Gifts: You can also use these gemstone DIY bracelets, necklaces, keychains, and other items with your children as special and personalized Christmas gifts for your loved ones and friends, bringing them unforgettable holiday memories.Perfect Christmas Gift for Kids: The Christmas Advent Calendar 2023 can be used as a best Christmas gift, birthday gift, daily gift, and party gift for children. You can share the joy of the Christmas countdown crystal stone gift with your child.