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Turn rough rocks into glossy gemstones while exploring erosion, weathering, and the rock cycle
Quiet, leak-proof, noise-reducing barrel plus built-in timer with presets up to seven days for set-and-forget polishing
Durable, long-life motor handles repeated runs and a variety of media: rocks, glass, wood, and more
Start polishing on day one with an included gem mix (tiger’s eye, aventurine, rose quartz, and others) and a four-stage grit system
USB-C power and 450 g (≈1 lb) capacity make it compact, efficient, and easy to place on a desk or countertop
Create keepsakes with jewelry settings; perfect as a STEM geology kit for curious kids and beginner rockhounds
Illustrated manual and poster teach rock types, crystal formation, tumbling stages, contamination avoidance, and finishing tips
Great upgrade path with compatible refill packs to keep projects rolling
Ages: 8+
Experiments: 5
Piece Count: 21
Capacity: 450 g (over 1 lb)
Power: USB-C (no batteries required)
Timer: Up to 7 days (multiple settings)
Product Dimensions: 9 × 9.6 × 4.3 in.
Product Weight: 4.4 lb
Manual Pages: 6
Manual Dimensions: 5.5 × 11.7 in.
Country of Origin: China
Year Released: 2025
Rock tumbler with leak-proof, noise-reducing barrel and built-in timer
Assorted natural rocks (e.g., tiger’s eye, aventurine, rose quartz, and more)
Four polishing grits: coarse, medium, fine, and final polish
Jewelry settings to turn polished stones into accessories
Illustrated manual and educational poster
USB-C power cable
Download Manual (PDF)
