{"product_id":"rock-tumbler-kit-belt-free-4-speed-1-9-day-timer","title":"Rock Tumbler Kit, Belt-Free, 4-Speed, 1–9 Day Timer","description":"\u003cp\u003eRock tumbler kit delivers quiet, consistent stone polishing with a belt-free direct-drive motor, so you can turn rough rocks into smooth, glossy keepsakes with less maintenance. Designed for adults and kids, it combines low-noise operation (≤35 dB), precise speed control, and a 1–9 day timer to match different materials and polishing stages. Overload protection and power-off memory help keep cycles on track, even after outages.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDelivers belt-free direct-drive performance to reduce wear, upkeep, and downtime compared with belt-driven tumblers\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eRuns at ≤35 dB for low-noise rock polishing that fits home crafting, classrooms, and shared spaces\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eAdjusts 4 speeds (75–120 RPM) plus a 1–9 day timer for controlled tumbling through multiple polishing stages\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eIncludes overload protection and power-off memory to resume the remaining cycle after an interruption\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eHolds up to 4 lbs in the heavy-load barrel to polish more stones per batch and cut refill frequency\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eCreate polished stones for displays, jewelry projects, or hands-on STEM activities with a stone polishing kit built for beginners and enthusiasts. The constant-speed design supports more uniform results, while the simple controls make setup straightforward for parent-child projects and weekend makers. Note: rough stones are not included and must be prepared separately. Grab yours today and start transforming raw material into smooth, rounded gems.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eMotor: Low-voltage direct-drive; belt-free design\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eNoise level: ≤35 dB\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eTimer: 1–9 days\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSpeed settings: 4 levels, 75–120 RPM\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eBarrel capacity: 4 lbs\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eProtections: Overload protection; power-off memory\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eProduct size (without barrel): 7.01 x 9.06 x 3.94 in (178 x 230 x 100 mm)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eProduct size (with barrel): 7.01 x 9.06 x 8.27 in (178 x 230 x 210 mm)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eNet weight: 7.72 lbs (3.50 kg)\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"B2X","offers":[{"title":"Default Title","offer_id":55518513922375,"sku":"VEV-008685-B","price":626.0,"currency_code":"PLN","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/5402\/2983\/files\/RockTumblerKitBeltFree4Speed19DayTimerDefaultTitle.jpg?v=1792659583","url":"https:\/\/bluemall.pl\/nl\/products\/rock-tumbler-kit-belt-free-4-speed-1-9-day-timer","provider":"Bluemall","version":"1.0","type":"link"}