Turn rough rocks into polished gems. Our powerful tumbling machine features a strong motor, and includes a leak-proof rubber barrel, a timer, 9 different gemstones and 4 types of grit. Amazing! For ages 8 yrs-teen
Science & Nature
From Discover with Dr Cool – Turn rough stones into polished gems with this powerful tumbling machine! For ages 8 yrs-teen
Availability: 1 in stock
Discover with Dr. Cool
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
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