Unique Crystal Advent Calendar 2022 Looking for a special Christmas gift for kids this year? These rock countdowns from around the world are naturally precious and can be kept forever,surprising you each day A Great Variety Rock CollectionThis satisfying mix of stones and real crystals contains chalcedony, jasper, quartz, fluorite, agate and more. Not only will you get mini geodes and quartz points, but lots of colorful gemstones and more Fun Activities of Learning and Collections Unlock unique mineral deposits or beautiful crystals and explore the field of geology science.It is colorful and interesting enough for kids, their families and hobbyists Celebrate this Season with a Natural ToneGet ready to be stunned by the wonders of the earth Get a treasured box of memories, as well as a favorite science experience 100% Excellent ServiceIt is our greatest desire and pleasure to offer you our Excellent Service and Best After-Sales Support. If you have any questions about our product, please feel free to contact our team for help. We will 24-Hour Response Service