Carefully Selected Collectible DecorationsThese natural crystals are carefully selected, they are smooth without edges, natural and clear, very different from the kind of dyed gravel and glass of other crystal blind boxes, and are the best collectible decorations you can have this Christmas. Perfect for Christmas decorations for home, school, dormitory, children's room, etc. It can also add a different atmosphere to your Christmas tree. Premium Quality & Safety] Calendar contains 24 natural, ethically sourced crystal minerals, including the famous amethyst, tiger's eye, obsidian, quartz crystal, and rhinestone, to name a few. 100% non-toxic, durable, easy to clean, safe for children and adults, and a great Christmas gift for kids, girls, and boys! A Complete Rock CollectionImmerse yourself in the wonder of this diverse rock and crystal collection, featuring chalcedony, jasper, quartz, fluorite, agate, DIY bracelet, necklace, and a keychain. Children can unleash their artistic flair and design their very own one-of-a-kind gemstone bracelet, necklace, or keychain, making it a special and personalized gift for their loved ones. Christmas Advent Calendar 2023Dig out a special crystal stone on every day, The 24-day countdown to Christmas is an exciting time for children. Treasure for 24 Days-Every day before Christmas, children open a panel to show off a special kind of rock, mineral, fossil or gem ! With this Christmas countdown calendar, they can start a rock collection that they can enjoy all year round! Crystal Advent CalendarChristmas blind box contains 24 ores of different colors/shapes. This extraordinary Christmas gift sourced from around the world brings 24 days of delightful surprises to children, providing them with an opportunity to explore, learn, collect, and create unforgettable holiday memories through play.