National Geographic Rock Tumbler - Gemstone Polishing Kit

Turn ordinary stones into extraordinary treasures with the National Geographic Rock Tumbler Machine. This complete gemstone polishing kit provides everything needed to transform rough rocks into brilliant, shiny gems. Designed as a fascinating STEM hobby, it encourages kids to explore the world of geology through hands-on learning. Each kit includes 9 varieties of gems and 4 different grades of grit to ensure a successful polishing process. Beyond just collecting, this kit allows for creativity through jewelry making. With 5 included fastenings, children can turn their polished stones into handmade keepsakes for friends and family. It is an ideal gift for boys and girls aged 8 and up who want to start their own precious rock collection and enjoy a rewarding science-based hobby.