KomeStone K1 Pro Rock Tumbler Kit & Extra Polishing Grits(4 Lbs) & Extra Belts

WONDERFUL CHRISTMAS GIFT FOR BOTH CHILDREN & ADULTS: KomeStone rock tumbler is for turning rough raw rocks into smooth gemstones, you will be very excited to see the rocks changes with each cycle. It’s also a good lesson for kids to develop better patience, to master more knowledge of geology, as well as a good idea for mom to create jewelries. It's never too late to start a new hobby, no matter you are at 9 or 99! 2023 NEW UPGRADE & ADVANCED FEATURES: KomeStone K1 Pro cutting-edge brushless motor rock tumbler is the first and only rock tumbler that built in with the cutting-edge brushless motor, providing this advanced rock tumbler with more than 20,000 hours work and service life. It allows you to have different polishing recipes and choices. Compared to the fixed steps without time and speed settings, nor the pause and resume function of other brands, these new functions make people to try and polish their 2.5 LB EXTRA LARGE CAPACITY & QUIETER: Made of 100% rubber, KomeStone allows the barrel to absorb the noise that produced by collision between rocks, It’s 75% quieter than that of other plastic drums, which likes the sound of a working dishwasher. Compared with 1lb from other brands, With 2.5lbs extra large barrel, KomeStone rock tumbler kit plays a role as the leader of the lowest price, it allows users to polish as more as 2.5lbs raw rocks at one time. COMES WITH EVERYTHING YOU NEED: Including the tumbler machine, the barrel, 1lb rough rocks, 3 belts, 4 polishing grits and ceramic filler media (It’s generally sold separately by other tumbler brands) and other accessories, etc. We elaborately create the full content of learning guide with full-color instructions, detailed and clear, even an 8-year-old kid knows how to use it independently, followed step by step. REFRESHING CUSTOMER SERVICE: 1) Contact us for extra 3 belts at no cost, 2) Assist with troubleshooting within 24 hours, 3) 90-day refund guarantee & 2-year warranty for free exchanges, 4) even if your order is far beyond the Amazon's return window, you'll also receive a quickly replacement or refund, no excuses.