NATIONAL GEOGRAPHIC Rock Tumbler Kit – 1.36 kg Extra Large Capacity, 1.36 kg Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Great STEM Science Kit for Boys and Girls

• CREATE YOUR OWN GEMSTONES – Rock tumbling is a hugely popular hobby for kids and adults! This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
• A TUMBLER THAT’S MADE TO LAST – The durable motor has time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid is 75% quieter overall than plastic tumbler barrels.
• ALL-IN-ONE TUMBLING KIT – This kit has everything you need and then some! You get 1.36 kg of rough rocks with nine different types of gemstones inside, five jewellery fastenings, grit, a strainer, and our innovative new GemFoam rock polisher.
• USE GEMFOAM FOR DAZZLING RESULTS – This rock tumbler kit stands apart from others thanks to our new, reusable GemFoam rock polisher! Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine!
• SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you.