512
people found this helpful, as of 2023
ranked #34,923 most helpful
out of 571,544,897 reviews
★★★★★
Not a toy
Most of these things are loud but it worked well. Break glass fill container half up with glass and water add a tablespoon of clean beach sand put on speed 2 for 7 days and boom sea glass. That is what I bought it for projects like that not rock tumbling.
the product in question
Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy
4.5★ · 8,014 ratings, as of 2023