(as of Sep 22,2022 23:26:18 UTC – Details)
For children 8 years and up with adult supervision.
ENORMOUS VARIETY – This rock tumbler refill kit has 5 pounds of unpolished rocks and gemstones consisting of a 1-pound gemstone mix, 1-pound agate mix, 1-pound Madagascar mix, 1-pound jasper mix, and 1-pound petrified wood mix
ROCK POLISHING GRIT – There are 20 total rock tumbler grit packets in the kit, enough for five complete tumbling cycles with any rock tumbler
JEWELRY SETTINGS – Once your rocks are polished, use the 5 included jewelry settings to create beautiful keepsakes or use the included storage pouch to keep your favorite specimens all in one place
DETAILED LEARNING GUIDE – The learning guide includes polishing instructions along with fascinating information about the stones in the kit
RESPECTED QUALITY – National Geographic is proud to provide only the highest quality STEM toys and all our kits are backed by our 100% satisfaction guarantee