Activity & Learning Toys

National Geographic Rock Tumbler Grit and Polish Refill Kit - Tumbling Grit Media, Polish Up to 9 kg of Rocks, Works with Any Rock Polisher, Tumbler Supplies HIGH QUALITY – This rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on up to 9 kg of rocks, gems, glass, and more EASY TO USE FOUR-STAGE ROCK GRIT - The first rock tumbling grit stage... National Geographic Rock Tumbler Grit and Polish Refill Kit - Tumbling Grit Media, Polish Up to 9 kg of Rocks, Works with Any Rock Polisher, Tumbler Supplies