Rock Tumbler Includes:• 4 Oz. Gemstone Rocks• (1) Step 1 Coarse Grinding Powder• (1) Step 2 Fine Grinding Powder• (1) Step 3 Polishing PowderJewelry Making Includes:• (1) 18 Silver Tone Necklace Chain• (2) Adjustable Rings• (1) Key Chains• (3) Setting Holders in 2 Styles• (1) Pairs Hanging Earring Wires• (1) Jump Ring Connectors• Glue• AC Adapter includedFor ages 8 and up.