The National Geographic Starter Rock Tumbler kit is a fantastic way to start an exciting new rock tumbling hobby! This kit has all the features and accessories you�'ll need to transform rough rocks into extraordinary gemstones, start an awesome rock collection, and create beautiful jewellery. From the leakproof tumbling barrel to the four-stage grit polishing system, to the ½ pound of rough rocks, you�'ll be all set! Five jewellery settings let you make beautiful pieces from your favourite stones, and easy-to-follow instructions help you become a tumbling expert in no time! The information provided here is as complete and accurate as possible; however, product names, colours and/or materials are subject to change without notice.