[Christmas Gift Set] 2023 Advent Calendar helps learn and identify every rock, gemstone and mineral in the collection. It can also be used as a countdown calendar. This gift set contains 24 different colors/shapes of minerals. [Christmas Countdown Advent Calendar]: Lucky keychain for table decoration, suitable for communion, baptism, birthday, wedding, Christmas and other celebrations. It can also be used as a keychain or decorative bag. They are decorative accessories for key chains, bags or cell phone straps. Relieve Stress and Anxiety: Keep your children away from electronic products. These toys can relieve stress, improve blood circulation in the hands, and practice counting and counting with your child. [Educational Toys]: Great for individual play or group activities. Once it comes out of the box, it will fascinate children and adults alike. It promotes a love of science, geology and paleontology in a fun and exciting way. Excellent science kit that is both fun and educational. [Gift]: This Christmas advent calendar is the best Christmas gift and a good choice as an educational Christmas gift, educational toy or reward. Christmas New Year countdown calendar.