Our heavy-duty Large Rock Polisher with rubber tumbling barrel is powered by an electric motor that's safely enclosed inside the set's aluminum housing. The barrel holds up to 3 lbs. (max.) and comes with 3/4 lb. bag of assorted rocks to polish, polishing grit in 4 grades and jewelry findings. Small Rock Polisher has a 2-lb. capacity. Family activity with adult supervision.
Rock on with Extra Polishing Grit (4 grades, 12 oz. total). Keep rocking with Extra Unpolished Rocks (2 lbs.)
Size 8-3/4"W x 7-1/2"L
Large 3 lb Rock Polishing Kit with Rubber Tumbling Barrel and Assorted Rocks
Comments about Product: I bought this for an 8 year old for his Birthday. This is an authentic rock polisher! It teaches that anything worth doing is worth waiting for! It does run 24/7 for several weeks and does make a little noise, but we are having a great deal of fun with it!