This is the MP-1 Rock Tumbler with Accessories from Thumler' Tumbler. Suitable for Ages 14 & Up. FEATURES: Contains a drive unit and rubber barrel A jewelry kit and a small collection of rocks are included to get you started 2 pound capacity barrel makes it ideal for smaller stones Molded from an almost indestructible blend of polycarbonate and ABS plastics Overload protected MP-1 motor Made in the USA INCLUDES: One MP-1 drive unit with 120 volt electric motor One 2 lb barrel One 4 step grit pack 3/4 lb polishing rocks One jewelry kit Instruction booklet COMMENTS: May contain small parts which present a choking hazard for young children