A fun, educational STEM toy for kids, this rock tumbler kit is great for the whole family! Your kids will enjoy collecting and polishing gems while learning how gemstones are made. With this set, you’ll receive 9 rough gemstones a full pouch of rough gems and polishing grits, a noise reduction cover, storage bag and more!
Pour in the rough stones, 150-mesh grit, and polish for 1 day.
Pour in 600-mesh grit and polish for 1 day.
Apply hand cream to the gemstones and make them more dazzling.
1.6 kg (3.53 lbs)
Length: 47 cm (18.5 in)
Width: 44.5 cm (17.52 in)
Height: 25.5 cm (10.04 in)
Acrylonitrile butadiene styrene (ABS)
Rock Tumbler Machine
Noise Reduction Cover,
9 Different types of Stones
150-mesh polish grit
600-mesh polish grit
Bag of white Crystal
2 gem Storage Bags
Illustrated Easy-to-Follow Instruction