The Thames & Kosmos Rock Tumbler
Kids load rough stones into the Thames & Kosmos Rock Tumbler and pull out polished gems days later. The kit includes tiger's eye, aventurine, rose quartz, and more, plus four polishing grits and jewelry settings for turning favorites into accessories. The leak proof, noise reducing barrel keeps the process tidy, and the built in timer runs up to seven days. A manual and poster walk through the science behind each rock.
Features:
- Includes rocks and 4 polishing grits
- Jewelry fasteners to make accessories
- Built in timer runs up to 7 days
- 450g capacity, over 1 pound
- Ages 8 years and older