Crystal Advent CalendarThe christmas advent calendar set contains 23 different minerals, a necklace, a magnifying glass to allow closer looks and you get a bag to store the gems. The festive countdown is an exciting time for children. One way to increase holiday expectations is to use a calendar! It's a fun way for children to count down to Christmas and get a few surprises each day. Note:The gifts in the blind box are random The complete rock collection Crystal advent calendar 2022 includes crystal rocks, gemstones, stone minerals and fossils. The perfect educational toy for children to learn to wait, discover and learn. It can also help children and adults in high stress or anxiety states by reducing stress and anxiety. Fun Learning The 2022 Advent Calendar will stimulate children's interest in geology and allow them to explore and delve into the world of rocks and crystals. All colorful and interesting enough for those interested in stone minerals, fossils and crystals. Perfect Christmas GiftThis is a great Christmas gift option for educational purposes, learning toys or rewards. national geographic advent calendar 2022 Ideal as a Christmas, birthday, party gift, school prize, Christmas stocking filler, a great gift for mineralogy and geology enthusiasts.