- Refill kit works with our Rock Tumbler and Jewelry Making Kit (733747, sold separately)
- Includes stones, 4 bags of polishing grit (coarse, medium, pre-polish, and polish) and 5 jewelry fasteners
- Includes Jasper mix with 8 varieties
- Create custom jewelry, embellished picture frames, or accents in a potted plant
- Educational activity makes a great gift for kids interested in science and STEM activities