Features: brand new and high quality Carefully Selected: Each stone is natural and strictly chosen. The appearance is nice and unique, colorful and smooth. For Early Learning: This natural crystal agate stone fosters a love for science, geology, and paleontology in a fun and exciting way. Multiple Use: Excellent for all kind of DIY crafts projects, jewelry, beach wedding, fountainor, flower pot or home decoration. It is a Christmas countdown gift series supplement. Perfect Gift: Kids and adults alike will love this gift. Great gift for your friends,lover,family who beginners or crystal collectors on Christmas Day, Birthday, Valentines Day, Anniversary, Thanksgiving Day. Unique and Beautiful: Colorful stones are good quality and smooth, the shape is weird, the color is bright. Specifications: Material: Natural Crystal Each Stone Size: Approx. 6-15mm/0.24-0.59 inches Irregular Rectangular Bar Shape Size: Approx. 2-5cm Box Diameter: Approx. 110mm/4.33 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Mineral Teaching Specimens (Random Color and Type)