1000012865 Dive into rock polishing with this complete, preowned National Geographic tumbler kit. It's in great condition and includes the tumbler barrel, power cord, an extra "o" ring, a strainer, a full instruction guide, a jewelry kit, and rocks to start tumbling right away. Perfect for beginners or hobbyists, this all-in-one set has everything needed to transform rough stones into smooth, polished gems. A fun, educational project for all ages. This kit is preowned. Unless otherwise stated, it should be assumed that some wear is present consistent with use. As a general rule, we do a basic cleaning of preowned merchandise to get items picture ready. It is recommended that another, thorough cleaning is done before use. Ages: 12+ Craft: rock tumbling/jewelry making Made in: China If you have further questions, please let us know.