[Product Information]

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• EVERYTHING YOU NEED –Tumbling machine， 9 types of rough gemstones (0.5 lb)， four polishing grits， jewelry fastenings， educational guide， & instructions
• BUILT TO LAST - This high-quality metal tumbler has a powerful motor， noise reducing leak-proof barrel and comes backed by a 2-year warranty.
• PERFECT FOR BEGINNERS – Easy to operate! Features an automatic shutoff timer so you can get bigger results and save energy
• LEARN AND DISCOVER – Learn about all 9 of the gems included and then explore your own backyard for additional rocks to polish with your tumbler
• 100% SATISFACTION GUARANTEED – With National Geographic's 100% satisfaction guarantee and a 2-year warranty you can be sure you’re giving a quality gift