<p>Rock and Mineral Kit: collection mineral gem kits includes 15 different , it is good for , geological studies, teacher or anyone who loves . Suitable for tabletop decorations, also good for challenging children's .</p> <p>Package Includes: 15 Unique Rock Samples (size from 10mm to 17mm) in a box, Galena, Bornite, Sphalerite, Magnetite, Cuprite, Psilomelane, Azuritene, Cinnabar , Chalcopyrite, llmenite, Specularite, Magnesite, Pyrite, Hematiet, Bauxite and so on.</p> <p>Educational Gift: This unique \u0026 educational gemstone \/ Crystals collection is a great gift. It is a must-have for beginners or experienced gem collectors and is also suitable for young science enthusiasts, especially those kids who is interested in geology.</p> <p>Irregular Tumble Stone: This beautiful collection of gemstones crystals is good for the beginner or seasoned gemstone .</p> <p>Great Science Gift for Kids: You can use it as a birthday gift, chrismas gift or Easter gift for. It have plenty of to identify, quality and keep entertained, it is and a great way to pass the time.</p> <p>Colour: as shown</p> <p>Material: </p> <p>Size: single size: 2.5~3.3cm</p> <p>Package Contents:</p> <p>15 Kinds * Mineral </p> <p>Only the above package content, other are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>