Turn rough rocks into polished gems. Kit includes 1 high-quality tumbling machine, 1 upgraded leak-proof tumbling barrel, 1 bag of rough gemstones, 4 bags of polishing grit, 1 rock strainer, 5 jewelry settings, and a learning guide.
When purchasing this kit you help further the work of scientists, explorers, and educators around the world.
Warning: Not recommended for children under 8 years of age. As with all electric products, precautions should be observed during handling and use to prevent electric shock.
