Top 10 Best Rock Tumbler For Kids

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.

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.. 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 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'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 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.

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 shark teeth, coprolite fossilized dino poop, gastropods, ammonites, brachiopods, more. Included accessories let you 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.

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. GROWING IS EASY Easy-to-follow instructions and 2 silicone growing chambers make growing your crystals. 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 your 5 favorite home-grown crystals on the included light-up display. START A ROCK COLLECTION Includes 4 real gemstone specimens and a STEM learning guide teaching all about crystal formation. 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..

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. 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.

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.

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.

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..

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 - 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 TREASURES - Give your child the thrill of digging in a real gem mine as they excavate real crystal treasures. This educational engaging activity emphasizes fun, exploration, and discovery. FIND 15 AMAZING GEMSTONES - Including pyrite, amethyst, tigers eye, fluorite, quartz, obsidian, aventurine, and more. Unlike other kids toys, the Mega Gemstone Dig Kit seamlessly blends educational value with fun. A COMPLETE LEARNING ACTIVITY This Mega Dig Kit includes everything you need to keep kids digging and learning for hours, including a dig brick packed with gemstones, a chisel, a brush, and a magnifying glass to inspect these amazing specimens. 16-PAGE, FULL-COLOR LEARNING GUIDE This full color, detailed learning guide illustrates how gemstones are formed and mined and helps young scientists identify each specimen as its discovered.. 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.

MAKE COOL, GLOWING ROCK CREATIONS - With this fun rock painting kit, kids can decorate 15 river rocks with 10 standard 5 glow-in-the-dark paints, brush, 30 googly eyes 2 sheets of transfer decals Create garden stones, story stones more. PAINT WITH 15 COLORS - Kids can express their creativity by painting their rocks with the 15 included paints Standard colors include yellow, black, red, white, blue, green, purple, orange, pink brown, with 5 glow-in-the-dark colors for accents. INCLUDES 30 GOOGLY EYES - This craft kit also includes 30 googly eyes kids can use to make their glow-in-the-dark creations silly and fun Kids can apply them easily to enhance their rock creations, adding to the fun and creativity. TRANSFER DECALS FOR EASY DECORATING Two sheets of transfer decals add to the fun and make it simple for kids to put more creative flair on their stones Just peel, stick, and wet the chosen design and watch it transfer like magic onto the rock. HIGH-QUALITY EDUCATIONAL TOYS - We make the highest quality hands-on science toys, and all are backed by exceptional service and a commitment to your satisfaction..

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.

GEMSTONES, CRYSTALS, AND FOSSILS FOR KIDS - This kit is the perfect starter set or addition to any kids rock collection It contains hundreds of real gems, cool rocks, and genuine prehistoric fossils and fascinating insight into each specimen.. A GEMSTONE DIG KIT THAT KIDS LOVE This awesome science kit gives your child the thrill of digging in a real gem mine They'll dig like real geologists with the included tools. Imagine discovering 15 awesome gemstones in this incredible dig brick. CRYSTAL GROWING KIT WITH LIGHT-UP DISPLAY - Grow three vibrant crystals, then show them off on a sleek light-up display base Kids get to see crystals take shape before their eyes, and will learn all about crystal science in our learning guide.. THREE OF OUR MOST POPULAR SCIENCE KITS - These three educational toys show how amazing geology can be They combine hands-on experiments with genuine specimens and high-quality educational content that is sure to inspire a lifelong love of science. SATISFACTION GUARANTEED Our products are hand-selected to meet the highest quality standards. If your experience is anything less than extraordinary, let us know so we can make it right for you..

ASTOUNDING CRYSTAL MAKING KIT FOR KIDS Grow an awesome crystal in just a few days that's up to 3x larger than those in our other crystal growing labs. You'll also get a fascinating fluorite specimen This is seriously fun geology for kids. WHAT'S BETTER THAN GROWING YOUR OWN CRYSTAL Growing a crystal that glows in the dark Kids will be amazed seeing all the details of their jumbo, glowing crystal with the lights off This crystal growing kit is an unforgettable STEM toy. CRYSTAL SCIENCE FOR KIDS IS EASY Kids love crystal growing thanks to our easy-to-follow instructions. They will mix, pour, and watch as this giant and amazing crystal takes shape, then learn all about crystal science in our detailed learning guide. A FANTASTIC GIFT FOR BOYS AND GIRLS. This jumbo crystal growing lab is an awesome gift It's so much fun to grow your own crystals, and the resulting crystal specimen is something kids will absolutely treasure. SATISFACTION GUARANTEED Our products are hand-selected to meet the highest quality standards. If your experience is anything less than extraordinary, let us know so we can make it right for you..

FIND BURIED TREASURE This metal detector kit is the perfect tool for a treasure-hunting expedition The 7.4 dual coil is waterproof up to 4 and can detect objects up to 4 deep. It's perfect as a beach metal detector. EASY TO USE Simple operation makes it easy for kids to start treasure hunting Just turn it on and start searching, and when a metal object is detected, LED and audio alerts will let them know to look further. DESIGNED FOR KIDS Kids can find the perfect fit with the adjustable arm length, while the comfort grip makes it easy for young treasure hunters to use for hours. Weighing just 1.2 pounds, kids can spend the whole day detecting. METAL DETECTOR ACCESSORIES INCLUDED - A heavy-duty trowel is included that makes digging up hidden treasure super easy With the detailed, full-color Learning Guide, kids can learn about the history of metal detecting and 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.

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.

Turn rough rocks into polished gems Discover and learn the fun process of rock tumbling with the Advanced Rock Tumbler. Pour in the rough stones and grit and let the machine do its job. Complete kit Includes rock tumbler machine, low-noise barrel 1 lb. capacity, 4 grit packets, 12 lb. assorted rough rocks, mesh strainer, jewelry fasteners, gem storage bag, and an illustrated easy-to-follow instruction and learning guide booklet.. Powerful quality Runs on a powerful heavy duty motor that will last for a very long time, and includes a leak-resistant barrel that runs quieter than the other brands.. Advanced features Includes speed controls providing more granular tumbling results, a 9-day timer shuts off automatically when you desire, all displayed on beautiful LCD screens.. A fun and educational gift for all ages It's not often that a science project can be fun and engaging, but this kit achieves both It fascinates children and adults as soon as they pull it out of the box and is a perfect STEM project for any age. It fosters a love for science, geology and mineralogy in a fun and exciting way..

CREATE YOUR OWN GEMSTONES Rock Tumbler uses a fun way to turn rough rocks into shiny, polished gems in a hobby that kids and adults alike will love Full-color instructions make tumbling easy for beginners, and you can create your own dazzling gems in just 2 days. STURDY 7 DURABLE The Rock Tumbler has high quality thickened rubber tumblers. The high quality motor can work steadily for a long time and can last for a long time. Independent soundproof design can be 60 quieter than other products. With simple instructions, children can easily use this scientific tool. ALL IN ONE EDUCATIONAL TUMBLING KIT Everything you need for tumbling is in the box, just open it and start your gem making. It includes tumbler, low-noise leak-proof bucket, 9 different types of gemstones, a measuring cup, 2 gemstone storage bags, four polishes, jewelry fasteners, and a detailed full-color learning guide. This is the perfect homeschool gift for children ages 8-12. HOBBY STEAM PROJECT Research Rolling Stones is a fun activity for children of all ages to explore. The grinding stone bucket promotes exploration of geography and science, and the simple science experiment toys inspire children to investigate and explore. It takes a little time to polish the stones, but your patience is worth it. You can see the whole process of turning the stones from angular pieces to rounded stones, and eventually you can harvest several stones. EDUCATIONAL FUN GIFT A high-quality hands-on science kit, Rock Tumbler is a fun gift for kids of all ages. This is an educational, knowledge-based science set designed for children who love science and geography, beautifully packaged and stylish, suitable as Christmas and birthday gifts for children aged 8-10.

MOTOR are consumable, you can contact us for MOTOR FOR FREE if broken in 90 days.. 90-Day Refund GUarantee 2-Year VVarranty. yingan0915163.com. Upgrade Large 2.5 LB Leak-proof Rubber Barrel Large capacity Which allows to rock tumbler more rocks each time,To prevent the liquid from leaking during polishing, our rock tumbler is designed with double stainless steel top cover. It is so compact that you will need a screwdriver which comes in the box to open it easily. And the thickened barrel will make the machine last longer.. Happy Creat your own gemstones Make any stone sparkle and polish everyday rocks into dazzling gemstones This snails rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, A 8-year-old knows how to use the rock tumbler thanks to its simple operation and durable design.. Better ResultsShorter Time After thousands of tests, we equip each cycle with the most suitable polishing grit and give the most suitable speed and time.Please follow our instructions and you will get dazzling stones in just 24 days.. Professional Rock Tumbler To make tumbling more interesting in an easier way, we upgrade the functions of the rock tumbler3-speed contol different cycles use different speeds to make the tumbling result more delicate, up to 9 days timer auto shut-off memory function, never worry about sudden power failure. Please follow our instructions, and you will get the dazzing gemstones.. All in one hobby STEM educational tumbling kit Our CAYAMA rock polisher kit has everything that need for tumbling, including 1LB Same hardness stone rocks, the snail tumbler and the 2.5LB largeb arrel, 2 belts and 4 polishing grits and TPE plastic particle , sifter, screwdriver, barrel brush and illustrated tutorial guide. It's is a very decent and Great toy gift for both kids and adults.

What You GetYou can get a complete rock tumbler set, which includes all the tools needed to polish the stone a rock tumbler, 4 pcs polishing grits, various rough rocks, jewelry fastenings, a tube of glue and a detailed instruction manual.. Easy To UseYou can set any stone grinding time from 1-7 days through the button, or you can stop and continue working with one button. After completing the set working time, the stone grinder stops automatically. Any questions you don't understand can also be answered in the detailed study guide booklet, which fully documents how to turn a rough stone into a beautifully polished gem.. Educational Toys Science ToysThis is a great stem toys for kids to build their favorite gems by themselves. Rock polisher can improve children's interest in geography and science, as well as exercise children's patience. A rock tumbler science toy is the perfect birthday and Christmas gift for boys and girls.. Durable Grinding Rock PolisherOur products use high-quality motors, which are durable and can work continuously for a long time. In addition, the leak-proof rubber barrel equipped with the grinder has a good seal and is quieter than other products.. Satisfied ServiceIf you have any dissatisfaction or questions about this rock kit, please feel free to contact us, we will reply you and solve the problem within 24 hours. Trust me, this stone grinder is a great learning toys for 3-12 year old kids..

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.

Create Your Own Gem - Rock tumbling is a hugely popular hobby for kids and adults This robust rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. Durable Tumbler - The durable motor has tumbling time control settings so you can set it and forget it. The leak-proof barrel features a stainless-steel lid and is 75 quieter overall than plastic tumbler barrels.. All-in-one Tumbling Kit - This kit has everything you need and then some You get 227 grams of rough rocks with nine different types of gemstones inside, five jewelry fastenings, tumbler grit, a strainer, and our innovative new gem rock polisher.. Easy to Use- digital 9-day timer with automatic shutoff feature, 3 speed settings, beautiful LCD screen.. Educational and Fun Gifts for all Ages 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.