Features 1. [20 different kinds of gems] Amethyst, rose quartz, carnelian, hematite, amazonite, fluorite, red jasper, sodalite, turquoise, quartz, tiger's eye, orange calcite, chalcedony Manganese ore, bare stone, lemon jade, breccia jasper, snowflake obsidian, serpentine, etc. 2. [Gem Education Form] A gem education form is also included to let children understand the world of gems. 3. [20 real gems] Irregular tumbling stones, this beautiful polished gem collection is very suitable for beginners or experienced gem collectors. 4. [Unique] The picture is for reference only. The stones you receive will be similar because the shape and size of natural stones may be different. The 20 crystal stones are packed with random materials, the pictures will be different. But everything will be of good quality. 5. [Education and fun gift ideas] The ideal kit combines education and fun, and is very suitable as a gift for birthdays, classes, parties, and Christmas. Specification Material: natural stone Package List 20*Ore 1*Carton