Christmas is coming up. The countdown to Christmas is an exciting time for every child. A wonderful way to welcome their favorite holiday by this crystal advent calendar 2022 [ GET AN UNKNOWN SURPRISE EVERY DAY ] - The healing crystal blind box comes with 24 rock specimens. Kids can get a lot of surprises by opening panel to show off a special kind of rock, mineral, fossil or gem. (Note: The box may include the same stones or stones that are not shown in the picture) [ COMES WITH A MAGNIFYING GLASS ] - Each box includes a magnifying glass which makes you convenient to see more details of each gemstone, rock, and crystal. Kids can play with their parents, a good choice to kill the time with this Christmas toys. [ ENDLESS FUN ] - Collections of Rock and mineral is a popular hobby. The minerals countdown calendar can get kids interested in geology, allowing children to explore, learn and collect the rocks while having fun on the December holidays. [ PERFECT CHRISTMAS GIFT IDEA ] - Discover every day Surprise every day No one can reject the fun of the Christmas countdown toys set. Great Christmas gifts for your family, friends or those who are geology enthusiasts. The 24 Days Christmas Countdown Calendar is a good way to celebrate the arrival of Christmas. Every day in December your little one can open one of the doors and receive a small rock, mineral, fossil or gem, bringing 24 days of surprises to children.