National Geographic Rock Tumbling Media – Gem Foam Reusable Rock Polisher Foam, Use After Rock Tumbling Grit Cycles, Adds Shine to Tumbled Rocks and M

National Geographic Rock Tumbler Refill Kit - 3 lbs. Rough Gemstones, Quartz, Grit, and Jewelry Accessories : Toys & Games

How to Use a Rock Tumbler - A Step by Step Guide In Rock Polishing

NATIONAL GEOGRAPHIC Starter Rock Tumbling Kit - Durable Leak-Proof Polisher for Kids Complete Geology Hobby Science Kit, Rocks and Crystals Kids, A Great STEM Activity : Toys & Games

National Geographic Professional Rock Tumbling Kit - Patent-Pending Rock Polisher for Kids & Adults, Platinum Series Ultra Quiet, 2 lb. Barrel, Rocks

A BRAND NEW WAY TO MAKE TUMBLED ROCKS SHINE – GemFoam is a unique new rock polishing media that gives unprecedented shine to tumbled rocks. Just add

NATIONAL GEOGRAPHIC Rock Tumbling Media – GemFoam Reusable Rock Polisher Foam, Use After Rock Tumbling Grit Cycles, Adds Shine to Tumbled Rocks and

This refill kit includes everything you need to add to your dazzling rock collection—stones, polishing grit, and jewelry fasteners. Choose your stone variety (Gemstones or Jasper Mix) to create custom jewelry, embellished picture frames, or accents in a potted plant. Plus, the helpful learning guide provides fascinating facts about gemstones.

National Geographic Rock Tumbler Jasper Refill Kit

NATIONAL GEOGRAPHIC Starter Rock Tumbling Kit - Durable Leak-Proof Polisher for Kids Complete Geology Hobby Science Kit, Rocks and Crystals Kids, A Great STEM Activity : Toys & Games

National Geographic Rock Tumbler Refill Kit - 3 lbs. Rough Gemstones, Quartz, Grit, and Jewelry Accessories : Toys & Games

NATIONAL GEOGRAPHIC Rock Tumbler Kit - 3 Lb. Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock Tumbler for Adults