151
people found this helpful, as of 2023
ranked #209,509 most helpful
out of 571,544,897 reviews
★☆☆☆☆
Disappointed crystal lover
This was purchased as my son's main present on his Santa list. The first one got through step 3 of 4 before the motor died. Amazon sent a replacement very quickly. The replacement died during step 1. We decided not to replace again. Very disappointing.
the product in question
NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher for Kids - Complete Rock Tumbling Kit - Geology Hobby Science Kit, Rocks & Crystals for Kids (Amazon Exclusive)
4.4★ · 9,162 ratings, as of 2023