Christmas Small Ornaments Blind Christmas Festive Conch Atmosphere Christmas Box Surprise Home Decor Outdoor Solar Gnome2021 is a memorable year. In this Christmas calendar, we have experienced many things. We sincerely that you can find your crystal. I wish you a happy life and happy every day.We include many crystals, rough natural ore. you like it.REAL GEODES-Discover the crystal ! Each kit contains a broken and two complete specimens for you to open by yourself. Geology is nothing more exciting than opening rocks and finding crystal .Material: crystal stone1x Advent Calendar Set (24 grids)Real include prehistoric shark teeth, gastropods, ammonites, clams, brachiopods, etc. The accompanying magnifying glass, full-color study guide and identification sheet will help you classify and identify each rock, gem, and in your collection.The perfect standalone series or a complement to any series. Includes rough and polished samples of , rose quartz, stunning snowflake , desert rose, red , blue quartz, pumice and meteorite specimens. Make great STEM gifts for girls and boys!