NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults
NATIONAL GEOGRAPHIC
Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy
Dan&Darci
Dan&Darci Rock Tumbler Grit Refill Kit - 3.5 Pounds Grits Media + Poly Plastic Pellets - Rocks Polishing Refills for Any Brand Rock Tumblers - Rock Polish Tumbling Supplies Set - Stone Polisher
Dan&Darci
Polly Plastics Rock Tumbler Tumbling Media Grit Kit & Plastic Filler Pellets
Polly Plastics