●XXTOYS 24 Gemstone Specimen Set: This set contains 24 natural stones and minerals. Some famous stones such as Amethyst, Rose Quartz, Obsidian. Each one is carefully selected. Note: As the stone and minerals are all natural, the color and size may vary from the picture ●COMPLETE COLLECTION SET: Inside there are 24 different rock minerals and 1 learning poster. Not only are these locks available, but they also have materials to know them ●Geological Science Gift with Great Meaning: A great gift for children. Not only toys but also educational meaning! Its a good tool for geological study Funny and easy to learn! ●HELPTIAN TO DEVELOP INTERNS: If your child is interested in the mineral collection or wants to develop his interest, you dont have to worry anymore! Buy this set! This can further evoke childrens curiosity and passion for science and geology! ●If you have any questions: please contact us. We will try our best to serve you. Also note that this is designed for children over 6 years old