Discover a new gem every day. Includes a collectible pouch to store all your gemstones 24 stunning designs. This advent calendar features beautiful polished gemstones for children , including agate, green aventurine, hematite, sodalite, turquenite tiger eye blue calcite and others! A special crystal on the last day. The last item in this collection is a stunning example of rose quartz which children dig out of mini-bricks, just like a real geologist!