[Christmas Countdown Calendar] The Christmas advent calendar has 24 special rocks, minerals or gemstones. Children can accumulate joy by taking out Christmas gifts that correspond to the dates. Happiness explodes at Christmas. [Perfect Christmas Gift] This advent calendar toy gift is perfect for girls, boys, children and adults. Enjoy your Christmas holidays with an advent calendar. [Create Happy Memories] Add color to your Christmas celebrations with this vibrant advent calendar and adorable toys. Fun crystals and gemstones are behind the 24 boxes to share joy and create good times with family and friends. [ENDLESS FUN] This advent calendar is a must-have to get kids excited in the month leading up to Christmas. These Christmas toys not only bring fun to children but also develop their logical thinking skills. Unlock unique mineral deposits or beautiful crystals and explore the world of Earth science.