Top 6 Best National Geographic Rock Tumbler Kit

EVERYTHING KIDS NEED - Make your own slime, grow your own crystal, make putty light up, and marvel at a fluorescent wernerite rock specimen. WHY DOES IT ALL GLOW - Our full-color learning guide teaches why the crystal, diy slime, wernerite, and putty in your kit glows, and much more. EXPERIMENT TOGETHER - Use this science kit as part of quality family time, in home school curriculum, or in the classroom. EASY INSTRUCTIONS - Experiment steps are clearly written and easy to follow, making the set even more enjoyable. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

AUTHENTIC BIRTHSTONE SPECIMENS - This dig kit is truly special Inside the beautifully designed dig brick are 12 precious and semi-precious gemstones. Your kids will love digging and discovering these dazzling specimens. A SPECIAL GEMSTONE FOR EVERYONE - Every kid will find their own special birthstone in this gemstone dig kit Garnet, diamond, ruby, pearl, sapphire, amethyst, emerald, opal, blue topaz, citrine, aquamarine, and peridot are all hidden within.. A COMPLETE SCIENCE KIT - This STEM kit is easy to use, thanks to the dig tool, brush, magnifying glass, and easy-to-follow instructions. A detailed learning guide teaches kids about each stone, too. A display bottle with keychain is also included.. KIDS WILL BE THRILLED - Other dig kits may have action figures or polished stones inside, but this digging kit allows your kids to excavate some incredible specimens When they're done, they'll have a gemstone collection they'll treasure forever. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

FAST GROWING CRYSTALS IN 6 COLORS - Red, green, blue, purple, yellow, and glow in the dark, crystal chemistry has never been so fast grows in 3 - 4 days, fun, and colorful The perfect educational gift for boys and girls. GROWING IS EASY Easy-to-follow instructions and 2 silicone growing chambers make growing your crystals easier than ever. Our new clear crystal seed rocks can be left in your delicate crystals, and grown crystals can be placed directly into your display. NIGHT LIGHT DISPLAY Show off 5 of your favorite home-grown crystals in the included light-up display This fun kids STEM activity can help inspire a lifelong love of science and learning. INCLUDES REAL CRYSTAL SPECIMENS Start or expand your rock collection Comes with 4 real gemstone specimens rose quartz, fluorite, blue calcite, and quartz geode. Learn about the gemstones in the kit with the included, full-color learning guide. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

ULTIMATE ROCK COLLECTION FOR KIDS - A perfect standalone collection or addition to any kids rock collection. Includes rough and polished samples of aventurine, rose quartz, stunning snowflake obsidian, desert rose, red jasper, blue quartz, pumice, and geode specimens as well. Makes an excellent STEM gift for girls and boys. GENUINE FOSSILS - Real fossils include prehistoric gastropods, ammonites, clams, brachiopods, and more. The included magnifying glass, full-color learning guide, and identification sheet will help you to sort and identify every rock, gemstone, mineral, and fossil in the collection.. REAL GEODES Discover crystals treasures Each kit contains one broken geode and two unbroken geode specimens for you to crack open yourself. Geology doesnt get more exciting than breaking open rocks and finding crystal treasures.. DISPLAY YOUR FAVORITES Show off your favorite rock, crystal, and fossil specimens in the included case Keep the rest of your treasures safe in the included storage bag.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

ENORMOUS VARIETY - This rock tumbler refill kit has 5 pounds of unpolished rocks and gemstones consisting of a 1-pound gemstone mix, 1-pound agate mix, 1-pound Madagascar mix, 1-pound jasper mix, and 1-pound petrified wood mix. ROCK POLISHING GRIT There are 20 total rock tumbler grit packets in the kit, enough for five complete tumbling cycles with any rock tumbler. JEWELRY SETTINGS Once your rocks are polished, use the 5 included jewelry settings to create beautiful keepsakes or use the included storage pouch to keep your favorite specimens all in one place. DETAILED LEARNING GUIDE The learning guide includes polishing instructions along with fascinating information about the stones in the kit. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

TWO MICROSCOPES IN ONE Use the lower LED lights to view biological specimens on slides or switch over to the upper lights to examine 3D objects in intricate detail. The perfect STEM activity for boys and girls.. OVER 50 ACCESSORIES INCLUDED Explore a curated set of 10 prepared slides with a range of biological specimens, then create your own with the included blank slides and covers, tweezers, and an eye-dropper. This complete kit also includes a Petri dish for plant labs, a mini geode, and more. POWERFUL LEARNING TOOL - This microscope features two sets of optical glass lenses providing 20x and 50x magnification, and is easy to operate making learning fun and accessible for young scientists. Kids science experiments have never been so fun. BRINE SHRIMP EXPERIMENT INCLUDED Track the life cycle of brine shrimp with the complete included experiment Includes hatchery station, shrimp eggs, petri dish, and lab manual. Includes a detailed, full-color STEM learning guide.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

TAKE OUTDOOR FUN TO NEW HEIGHTS - Our rechargeable, motorized, patent-pending rocket toy soars up to 200 ft. with up to 20 flights on a single charge.. 3 FLIGHT SETTINGS - Launch your rocket to 3 different heights with a simple push of a button. Your rocket will fly for shorter or longer depending on the mode selected, achieving more altitude the longer it flies. EASY TO FLY WITH SAFE LANDING - The innovative design includes helicopter-like rotor blades that extend and safely return your motorized rocket to the ground.. EVERYTHING YOU NEED TO LAUNCH - This exciting kids outdoor toy includes launch pad, charging cable and decals for kids to give their electric rocket a custom look.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

GROW CRYSTAL COVERED TREES - Watch as crystals start to grow in minutes from the branches of the included evergreen, cherry, bonsai, and dragon blood trees like magic The 6 trees will be fully covered in crystals in as little as 6 hours.. YOU CHOOSE THE COLORS - Color each tree any way youd like with the 5 watercolor pens in the kit, and grow crystals in the colors youve chosen. It's a craft project and crystal kit all in one. REAL SPECIMEN INSIDE - After the crystals are grown, you'll enjoy examining the genuine geode specimen in the kit A full-color learning guide is included and is packed with fascinating facts about crystals. This STEM craft kit is unforgettable. COMPLETE ACTIVITY SET - Because the crystals absorb the ink from the markers and grow in the colors drawn, this kit combines the science of a crystal growing lab with the creativity of an art project, making this a great activity for girls and boys.. HIGH-QUALITY EDUCATIONAL TOYS - We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience isn't stellar, we'll make it right.

INSPIRE A LOVE OF SCIENCE This rock collection for kids and adults inspires curiosity in geology. GORGEOUS ROCKS MINERALS 10 specimens each of pyrite, quartz, desert rose, pumice tigers eye.. SHARE THE FUN Also includes over 1 lb. of polished rocks and gems plus 10 carrying bags to share. UNLIMITED POSSIBILITIES Use as game pieces, trade with friends, start a collection and more. IN THE CLASSROOM A great science kit for classrooms, homeschool curriculum and educational groups.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

YOUR KIDS WILL ENJOY HOURS OF FUN - This extra-large dig brick has 20 incredible gemstone and fossil specimens, allowing your kids to experience the thrill of discovery over and over again. It's sure to become one of their favorite educational activities. REAL SPECIMENS YOUR KIDS WILL TREASURE - This digging kit is so exciting because every specimen is genuine. Your children will uncover genuine gemstones and fossils that are millions of years old, making this a truly unforgettable educational toy. EVERYTHING YOUR CHILD NEEDS This National Geographic science kit has all the tools your child needs to dig like the pros In addition to the dig brick, theres a chisel, brush, and magnifying glass. Hands-on learning has never been so fun. DEDICATED TO EDUCATION National Geographic STEM kits make learning fun for your child. The hands-on thrill of finding specimens is enhanced by our full-color Learning Guide, packed with information on each of the specimens they discover. Makes a great STEM gift for boys and girls. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

REAL GEMSTONES FROM MADAGASCAR - 3 pounds of raw rocks includes rose quartz, labradorite, red jasper, yellow jasper, indigo gabbro, and polychrome jasper, quantities of each gemstone may vary. FOUR GRADES OF GRIT - Coarse, Medium, Fine, Polish. Transform your raw stones from rough rocks to dazzling gemstones, this refill kit also works with all rock tumblers. JEWELRY FASTENINGS - Additional rock tumbler accessories include 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring to create custom jewelry from your newly polished gemstones. LEARNING GUIDE - Our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

PROFESSIONAL TUMBLING - The Ultimate Tumbler delivers spectacular results with unparalleled ease of use With its large 2-pound barrel, 3 selectable speeds and timer with settings for days and hours.. QUIETEST TUMBLER - The Ultimate Rock Tumbler's all-new design includes a sound-dampening cover that makes tumbling quieter than ever, perfect for enthusiasts who tumble indoors, or in smaller or shared spaces.. ALL-IN-ONE TUMBLING KIT - This kit has everything you need to get started, including 1 pound of rough rocks, 4 bags of grit, 5 jewelry fastenings, a newly designed strainer, and our exclusive GemFoam rock polisher for a brilliant finish. USE GEMFOAM FOR DAZZLING RESULTS - Your tumbled rocks will have an incredible shine thanks to our reusable GemFoam rock polisher. Just add GemFoam and water to the barrel after your final tumbling stage for a brilliant finish. HIGH-QUALITY EDUCATIONAL TOYS - We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience isn't stellar, we'll make it right.

POLISHING BARREL This rock tumbler barrel allows you to polish like a pro. We recommend having a dedicated barrel that is only used for the final step in the polishing process to avoid leaving any remnants of rougher grits that might scratch your gemstones and diminish the final polish.. REPLACEMENT PART Barrel is compatible with the National Geographic Professional Rock Tumbler and Hobby Series Tumbler as well as the Discover with Dr. Cool Professional Rock Tumbler and Hobby Series Tumbler. QUIET AND CONVENIENT Constructed of durable rubber and with a leak-proof lid, this barrel is designed to be low-noise and easy to use. EXPAND YOUR ROCK COLLECTION Use this barrel to polish rocks, gemstones, petrified wood, sea glass, and much more. 100 SATISFACTION GUARANTEE Discover with Dr. Cool is committed to ensuring customers are completely satisfied with their purchase.

A HOBBY THAT LASTS A LIFETIME - Rock and mineral collecting is a popular hobby, and this rock collection kit is the perfect way to inspire a lasting love of geology This geology kit will soon be your kid's most prized possession. AWESOME ROCKS AND MINERALS - This 15-piece rock collection features incredible rock and mineral specimens including desert rose, tiger's eye, red jasper, rose quartz, pyrite, green fluorite, blue quartz, green aventurine, and more. EVERYTHING YOU NEED - In addition to the incredible rocks and minerals, you'll also receive a clear storage box and 1 storage pouch. A full-color learning guide allows your kids to learn about each rock and mineral and easily identify each specimen.. A STEM SET YOUR KIDS WILL WANT TO SHOW OFF - This collection of geological wonders will be thrilling for your kids They'll be excited to show friends, family, and classmates these dazzling specimens, and will be eager to explore geology more. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

EXCAVATE 10 GENUINE GEMS - This excavation science kit has 10 real gems for kids to dig out like a real geologist amethyst, geode, pyrite, rose quartz, gray agate, green aventurine, green fluorite, snowflake obsidian, sodalite tiger's eye.. IDENTIFY EACH GEMSTONE - A full-color identification sheet is included so kids can quickly and easily spot each gem in their new rock collection. The sheet also contains fascinating facts about each gemstone in the dig brick.. DIG WITH THE INCLUDED TOOLS - Just like a real geologist, kids can use the included tools to excavate their gems Includes an excavation tool and brush for digging, and a magnifying glass to view the natural beauty of each stone in detail.. START A ROCK COLLECTION - The Super Gemstone Dig Brick is the most fun way to get kids started with a rock collection This hands-on science kit promotes the wonder of discovery as kids dig out their gems, and can inspire a love of earth science.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

DISCOVER CRYSTAL TREASURE - Break open these rocks to reveal amazing crystals inside Geology doesnt get more exciting than breaking open rocks and finding crystal treasures. This great STEM activity makes an excellent gift for girls and boys. COLORFUL VARIETY Geodes can form with a wide variety of crystals inside. These geodes have been hand-selected to bring you the best variety available.. 100 NATURAL GEODES These real specimens may be as big as a tennis ball, or as small as a ping-pong ball. Kids will love the thrill of cracking them open to see the natural beauty inside. This STEM activity emphasizes fun and discovery. 16 PAGE FULL-COLOR LEARNING GUIDE Youll learn all about the fascinating science behind how geodes are formed in the detailed, full-color Learning Guide. National Geographic educational toys make science and learning fun, and are the perfect STEM gifts for boys and girls. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

HIGH QUALITY - This rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on up to 20 lbs. of rocks, gems, glass, and more. EASY TO USE FOUR-STAGE ROCK GRIT - The first rock tumbling grit stage provides initial shaping, the second smooths rock surfaces, the third pre-polishes rocks, and the fourth provides the final polish. COMPATIBLE WITH ALL TUMBLERS - This complete 4-step rock tumbler grit refill kit works with all rock tumblers. For best results, use with National Geographic Rock Tumblers and rock tumbling supplies. EASY TO MEASURE AND STORE - Each rock tumbling grit stage is packaged in a wide-mouth container with secure, screw-top closure.. HIGH-QUALITY EDUCATIONAL TOYS - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is anything less than extraordinary, let us know so we can make it right for you.

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults This professional rock polisher 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.. INCLUDES 3 LBS. OF ROCKS MORE - This tumbling kit comes with everything you need 3 lbs. of raw rocks with 9 types of gemstones, 5 jewelry fastenings, grit, strainer GemFoam for a dazzling shine. USE GEMFOAM FOR DAZZLING RESULTS - This rock polishing 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..

CREATE YOUR OWN GEMSTONES - Make any stone sparkle and polish everyday rocks into dazzling gemstones This rock tumbler kit 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 Our high-quality tumblers are made with a durable motor thats designed to last for years. The leakproof rubber barrel reduces sound, making it 75 quieter than other plastic models. An excellent STEM activity for kids.. A COMPLETE HOBBY TUMBLING KIT - Everything you need to create polished gemstones the tumbler, four polishing grits, sifter, nine types of real rough gemstones, plus a detailed full-color learning guide. Makes a great gift for girls and boys. EASY TO USE Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it and forget it This is a great gift for kids.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults This starter 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 allows you to tumble multiple batches of rocks. An improved, leak-proof barrel is lined with rubber for quieter operation while tumbling on the sturdy tumbler base.. ALL-IN-ONE TUMBLING KIT - This kit has everything you need and then some You get a pound of rough rocks with nine different types of gemstones inside, five jewelry fastenings, and our four-stage rock polishing grit.. EASY TO USE AND EDUCATIONAL - Detailed tumbler instructions lead you step-by-step through the rock tumbling process, A full-color learning guide details how rocks are naturally polished and has fascinating facts about the gemstones in the kit.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

QUALITY GRIT RESULTS IN A DAZZLING POLISH - The rock polishing grit in this pack is high-quality silicon carbide and will polish 8-10 lbs of rocks, includes measuring scoop and storage containers with secure screw-top closures for easy storage. IMPROVE YOUR ROCK TUMBLING RESULTS Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches. BRAND NEW WAY TO MAKE TUMBLED ROCKS SHINE GemFoam is a unique new rock polisher media that gives unprecedented shine to tumbled rocks. Just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results. WORKS WITH ANY ROCK TUMBLER The tumbling supplies in this set are safe to use with any rock tumbler. The tumbling grit, ceramic pellets, and GemFoam together improve rock tumbling performance and yield impressive results. HIGH-QUALITY EDUCATIONAL TOYS - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service..

CREATE YOUR OWN GEMSTONES - Make any stone sparkle and polish everyday rocks into dazzling gemstones This rock polisher kit 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 Our high-quality tumblers are made with a durable motor thats designed to last for years. The leakproof rubber barrel reduces sound, making it 75 quieter than other plastic models. Makes an excellent STEM gift or activity for girls and boys.. ALL-IN-ONE TUMBLING KIT - This complete kit has everything you need to create polished gemstones. In addition to the tumbler, four polishing grits, sifter, and rough gemstones, this bundle includes refill packs with 1lb each of rough gemstones and rough jasper. Learn all about the gemstones in your kit with the detailed, full-color learning guide.. EASY TO USE Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, so you can set it and forget it. This is a great gift for kids. 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..

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults This robust rock polisher 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.. ALL-IN-ONE TUMBLING KIT - You get 12 pound of rough rocks with 9 different types of gemstones inside, 5 jewelry fastenings, tumbler grit, a strainer, and our innovative new GemFoam polishing foam.. USE GEMFOAM FOR DAZZLING RESULTS - This rock tumbling 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. HIGH-QUALITY EDUCATIONAL TOYS - We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience isn't stellar, we'll make it right.

GEMSTONES OF NINE VARIETIES Tigers Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Black Jasper. 3lb in total. FOUR GRADES OF GRIT Coarse, Medium, Fine, Polish. Transform your stones from rough rocks to dazzling gemstones. JEWELRY FASTENINGS 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring. Create custom jewelry from your newly polished gemstones. LEARNING GUIDE Our Learning Guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

GEMSTONES OF 9 VARIETIES - Tiger's Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Hematite. 1lb in total. FOUR GRADES OF GRIT - Coarse, medium, fine, polish. Transform your stones from rough rocks to dazzling gemstones. JEWELRY FASTENINGS - 1 necklace, 1 set of earrings, 1 keychain, 1 ring. Create custom jewelry from your newly polished gemstones. DETAILED LEARNING GUIDE - Our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

This amazing collection is sure to impress any rock hound.. Comes with National Geographic's best selling Rock Tumbler, Gemstone Dig Kit, and Geode Crystal Set. Everything is included These kits are complete stand alone items that come with everything you need to grow an awesome rock collection.. This bundle comes with National Geographic's 100 Satisfaction Guarantee.. Tons of extras - each kit is packed full of fun extras including rough rocks for tumbling, safety goggles, display stands, adventure guides and lots more..

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, 2 lb. barrel features a stainless-steel lid and is 75 quieter overall than plastic tumbler barrels.. INCLUDES 1 LB. OF ROCKS MORE - This tumbling kit comes with everything you need 1 lb. of raw rocks with 9 types of gemstones, 5 jewelry fastenings, grit, strainer GemFoam for a dazzling shine. 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. HIGH-QUALITY EDUCATIONAL TOYS - We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience isn't stellar, we'll make it right.