- PETRIFIED WOOD FROM AROUND THE WORLD: 1 lb. of rough petrified wood fossils are sourced from around the world. Colors and sizes will vary between refill kits.
- FOUR GRADES OF GRIT: Coarse, Medium, Fine, Polish. Transform your raw stones from rough rocks to dazzling gemstones! This refill kit also works with all rock tumblers.
- JEWELRY FASTENINGS: Additional rock tumbler accessories include 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring. Create custom jewelry from your newly polished gemstones!
- LEARNING GUIDE: Our Learning Guide will teach you all about petrified wood and includes many amazing and fascinating facts!
- HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right!
- PETRIFIED WOOD FROM AROUND THE WORLD: 1 lb. of rough petrified wood fossils are sourced from around the world. Colors and sizes will vary between refill kits.
- FOUR GRADES OF GRIT: Coarse, Medium, Fine, Polish. Transform your raw stones from rough rocks to dazzling gemstones! This refill kit also works with all rock tumblers.
- JEWELRY FASTENINGS: Additional rock tumbler accessories include 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring. Create custom jewelry from your newly polished gemstones!
- LEARNING GUIDE: Our Learning Guide will teach you all about petrified wood and includes many amazing and fascinating facts!
- HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right!