Large rock tumbler diy

2) old PC power supply. This one happens to be a 90W supply. 3) rollers - could be broom handle or any round pole. These are actually mini rolling pins from my wife's craft supplies. 4) various bits of wood to make a frame and base board. 5) 2 inches of garden hose. 6) power switch. 7) screws, coach bolts w/ nuts.

Allow enough time for the glue to dry. Screw on the lid and add the rocks. To ensure that the bolt does not move, stiffen the drill around it. Allow the rocks to plunge by pressing the trigger. The rock tumbling method commences with rough-edged rock and ends with soft rocks with a glossy coating.Link to Build Instructions: Leave a message in the comments and I'll send it to you.Or, search Instructables for "Metal Parts Tumbler Polisher/Rust Remover/D...The tumbler barrel is a critical part of any rock tumbler. This is the rotating drum that holds the rocks and grit. Tumbler barrels are usually made of rubber or plastic and come in different sizes - from small 1-pound barrels up to giant 15-pound barrels. The barrel size you need depends on the volume of rocks you want to tumble.Step-by-Step Guide: 1. Preparation: Gather all the materials and tools listed above. Ensure you have enough space to work comfortably and safely. 2. Cutting the Wood: Using a saw, cut the pine wood pieces according to the measurements provided. Sand the edges and surfaces to ensure a smooth finish.A small rock tumbler will work fine, albeit a bit slow, for metal parts, but at Pier 9 we have a 1.5 Cubic Foot Vibratory Deburring Tank that can handle parts up to 16" long. Step 1: Parts and Media. Parts. Your parts should be non-copper-bearing metal*. Tumbling media is like sandpaper: it will even cut hardened steel (slowly).

1. How To Make A Rock Tumbler. Save costs with this beginner-friendly rock tumbling project. You'll need some plywood, PCB, wheels, a small barrel, and a few other supplies to make this. This DIY guide also contains lots of helpful information on how to achieve the rotary motion required for the tumbling process.The largest rotary rock tumbler that we sell is the Thumler's Model B. It has a 15-pound capacity and will tumble about ten pounds of rock. It has a steel barrel for strength and rubber liner to minimize noise. The largest vibratory rock tumbler that we sell is the Thumler's U-V45. It has a 45-pound capacity and will tumble about 45 pounds of rock.Amazon.com: MJR Tumblers Multi-Barrel Rock Tumbler with Grit Media Kit - Durable Leak-Proof Rock Polisher for Kids and Adults Rock Tumbling Tool Geology Hobby Science Kit, ... NATIONAL GEOGRAPHIC Rock Tumbler Kit - 3 Lb. Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock ...10LBS LARGE ROCK TUMBLER GRIT KIT: Includes Step #1 60 Coarse Silicon Carbide Grit (2LBS), Step #2 150 Medium Silicon Carbide Grit (2LBS), Step #3 Pre-Polish 600 Fine Silicone Carbide (1.5LBS), Step #4 1200 Aluminum Oxide Final Polish Grit (1.5LBS), ceramic tumbling media (2LBS) and plastic pellet tumbling media (1LB). ...Recovering gold with a rock tumbler and screensMedium Grit Step: Place your rough back into the barrel then add enough media to bring the barrel level up to about 2/3 full. Add about two level tablespoons of medium (150/220) grit per pound of rough plus media, plus enough water to almost cover the rocks. Then tumble for about one week. Fine Grit Step: After clean-up, place all of the rocks ...Brushless Motor Rock Tumbler , 2.5Lb Barrel with 3 Speed 9 day Timer Kit. Price $339.00. Add to Cart. Back Order. Quick View. National Geographic Rock Tumbler - Hobby Edition + 2lb Gemstone/Jasper Kit. Regular Price $319.00 Sale Price $299.00. Pre-Order. Quick View. National Geographic Rock Tumbler Kit - Hobby Edition with GemFoam.

Two Rules for Rock Sizes. There are two basic rules that you should follow about the sizes of rocks that you load into your rock tumbler: 1) Load the barrel with a mixture of rock sizes. 2) Tumble rocks no larger than about 1/2 the barrel diameter. The first rule is one that everyone should follow. The second is for people who want to make ...Things tagged with "Rock tumbler" - Thingiverse. Download files and build them with your 3D printer, laser cutter, or CNC.A rock tumbler can be used for more than just polishing rocks. From cleaning coins and jewelry to smoothing sea glass and polishing gemstones, this versatile machine has a range of alternative uses. Just remember to adjust the tumbling time, media, and cleaning solutions based on the specific application. Happy tumbling!I made a wind powered rock tumbler so I can make sea glass. Se my previous videos on tumbling glass using conventional tumblers along with my tests of dry tu...70mm. Product weight. 280g. Mounting type. Freestanding. Product code. 5023653154475. Keep your Bathroom surfaces clear and your essentials organised with the Tranquil …We have used them to make lots of tumbled glass. Their barrel speeds are: MP-1 (50 brpm), A-R1 (40 brpm), A-R2 (35 brpm), A-R12 (22 brpm), and Model B (20 brpm). Lortone tumblers also turn at speeds low enough to make nice tumbled glass. However, if your tumbler turns at a speed of about 90 barrel revolutions per minute or higher, then your ...

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The main reason you see so many large home built tumblers on here is because the large tumblers available in retail sell for $300 and up so if we can build that for $200 its worth doing. you can buy a lortone 3lb tumbler with a high quality (quite) barrel for $70 new so I dont know that trying to duplicate that on your own would be worth it.Extra Large Rock Tumbler Kit with 3-Speed Motor and 9-Day Timer - Geology DIY Kit for Adults . Visit the NATIONAL GEOGRAPHIC Store. 4.1 4.1 out of 5 stars 104 ratings.Simply get a bucket and fill it with warm water. Then put some dish soap in the water to form a sudsy mixture that you can use to clean the rocks. Place the rocks in the bucket of soapy water and then start scrubbing them. It’s likely going to be best to use an old toothbrush to get the job done.The first thing many people consider using when looking for a substitute tumbling grit is sand. The problem with sand is that it is too soft. Sand generally has a hardness of 7 to 7.5 of the mohs scale of hardness. Whereas silicon carbide is significantly harder at 9 to 9.5 on the mohs scale. The rocks you are tumbling, like quartz, amethyst ...{ALL-IN-ONE ROCK TUMBLER } - You will get rock tumbler, four polishing grits, 1lb of rough gemstones (tiger eye and jasper), reusable TPE plastic pellets, replacement ultra durable belt, a power cord, a screwdriver and a filter bag and a user's manual. Discover and learn the fun process of rock tumbling with this professional rock tumbler.I made a Rotary Tumbler Machine.It can be used for polishing metals, stones and resins.Click here for the planhttps://jisaku-koubou.com/downloads/rotary-tumbler

SACKORANGE 10 LBS Large Weight 4 Step Rock Tumbler Grit Set, Tumbling Media Refill-Coarse/Medium Grit/Pre-Polished/Final Polish, Works with Any Rock Tumbler, Rock Polisher, Stone Polisher. 5.0 out of 5 stars 1. 50+ bought in past month. $37.79 $ 37. 79. FREE delivery Wed, Aug 16 .Being a commercial-grade unit, this Rock Tumbler comes with an extra-large container of 40 lbs. The hopper is made from high-grade steel materials which extend its durability and life. ... Checkout our latest post on how to make DIY Rock Tumbler at home. Preparing to use a Rock Tumbler. Perhaps often overlooked are important factors when using ...Start by sourcing the main components for your DIY rock tumbler: A large piece of black plastic pipe for the tumbling canister. Rubber end caps that fit snugly on the ends of the …When choosing a rock tumbler for sea glass, it's important to select one with the right features. Smaller tumblers with barrel capacities around 3 lbs work best for the smaller pieces of glass used to make sea glass, usually 1⁄2 to 1 1⁄2 inches.The barrel should turn at lower speeds, between 50-90 rpm, to gently smooth and shape the glass without causing fractures. silicone carbide grit ...STEP 2: CUT THE ETCHED STAINLESS STEEL TUMBLER DESIGN. Next, we are going to cut out our designs. I will be using the Cricut Maker 3 for this tutorial, but you can use any Cricut cutting machine for this project. If applicable, select “On Mat” on the next page. There is nothing to change on the prepare screen.Rock Tumbler Grit And Ceramic Tumbling Filler Media Polly Plastics sells a highly rated rock tumbler grit kit and ceramic tumbling filler media (Amazon link) recommended by many Amazon customers. It is for single use in a fifteen-pound tumble or five uses in a three-pound tumble and contains a pound of 60-90 silicon carbide grit, a …Nordstrom has sold out of the $85 leather-wrapped rock it was selling on its website. A smaller $65 version has also sold out online. By clicking "TRY IT", I agree to receive newsl...Step 1: Gather Your Rough and Tumble Treasures. The first step to make tumbled rocks shiny is to collect a variety of rough stones that you think have the potential to become dazzling beauties. You can either gather these from your local area or purchase them from a rock shop. Some popular choices include quartz, agate, and jasper, but don't ...Step 11. Leave any unused resin in the cup and set it to the side. You can use it to gauge how hard the resin on your tumbler is. After an hour or two, the epoxy should be set up enough that you can remove the tape from the top and bottom. Try to remove it while spinning or just stop for very short intervals.National Geographic Rock Tumbler Kit - 1.36 kg Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Includes Rocks for Tumbling & Rock Polisher Grit, Rock Tumbler Machine for Adults and Kids ... Crystal Making Experiment, DIY Science Kit for Girls and Boys. 4.6 out of 5 stars 6,701. 100+ bought in past month.Typical Small Rock Tumbler These small rock tumblers are readily available, popular, inexpensive tools for use in the rock-polishing hobby. Put some rocks and grinding media in along with some water, and after hours or days, out come nice, pretty, shiny rocks. ... Large Pulley Removed from Roller Shaft You'll now see that the motor-end of the ...Dump slurry into a bucket with a liner. Remove clear water as the grit settles, use the water for plants or anything else you may use non-potable water for. Maintain just enough water to keep slurry as "mud" instead of letting it dry out, especially if the bucket is kept indoors. Allow grit to collect over time.

Recovering gold with a rock tumbler and screens

DIY Misc. Lapidary Projects. Build Projects: (10) To merit inclusion in this section, a DIY project must, at a minimum, be posted on the forum with photos of a working prototype. The most valuable and engaging project submissions are those enriched with multiple photographs and comprehensive step-by-step descriptions, providing an immersive ...I used rock tumblers to make sea glass. Tumbling glass in a rock tumbler allows you to make your own sea glass in just 3-5 days. This is the best low cost ...Rocks and minerals can be easily identified once you know what to look for. There are three different types of rocks: Igneous, Metamorphic and Sedimentary. Minerals must meet sever...I bought a strange thing at auction for a rifle brass tumbler. It was called a grain steamer, all heavy wall stainless about 20 -25 gallon & 1/2" thick with a large removable door with a rubber seal. It turns with a DC 1hp I think motor & has a steam pipe ran into the center & curved agitators on the inside wall of the outside wall of the drum.I have some rocks I need to tumble, so of course I decided to build my own rock tumbler! Check below for all the parts used.Here are all the parts on Thingi...Rock Tumbler DIY. Rock tumbling is a fun family activity that requires supervision for young children. To make your own rock tumbler, you’ll need a Silicon Carbide Grit and Polish pack, a soil pipe joiner with 2 caps, and a laser or inkjet printer. ... If you’re looking for a machine to tumble large rocks, this DIY project is perfect for ...Jun 8, 2019 ... Comments172 · Building a Huge Rotary Tumbler from Scratch - Homemade Rotary Tumbler · How to make Rotary Tumbler Machine ～DIYバレル研磨機～ · Does&nbs...Jul 4, 2017 · Homemade DIY Custom Built High Capacity Rock Tumbler **MUST SEE**. Homemade DIY Rock Tumbler was built in only a few hours. This is an easy build anyone can make without breaking the...

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1: CW/CCW change the direction of the motor. Connect to GND or to a PIN of your Arduino. 2: CLK Clock signal to set the desired speed of the motor. Around 400 to 1000 Hz. 3: READY We don't need this. 4: START We need a single pulse here to start the motor. Connect to arduino. 5: 5V connect to the 5V of the arduino.4 Step Rock Tumbler Grit Kit LPX-DIY. Image Unavailable. Image not available for Color: To view this video download Flash Player ; VIDEOS ; 360° VIEW ; ... 6 LBS Large Weight 4 Step Rock Tumbler Grit Set, Tumbling Media Refill-Coarse / Medium Grit / Pre-Polished / Final Polish, Works with Any Rock Tumbler, Rock Polisher, Stone Polisher ...Shop large rock tumbler diy at Temu. Make Temu your one-stop destination for the latest fashion products. 90 Days buyer protection. Free shipping on all orders. Exclusive offer. Free returns. Within 90 days. Price adjustment. Within 30 days. Free returns. Within 90 days. Best Sellers. 5-Star Rated Easter Savings ...This is my attempt at a DIY Rock Tumbler with nothing more than an idea of how I assume they work. I have zero rock tumbling experience and this may be a fa...Rock Tumbler DIY. Rock tumbling is a fun family activity that requires supervision for young children. To make your own rock tumbler, you’ll need a Silicon Carbide Grit and Polish pack, a soil pipe joiner with 2 caps, and a laser or inkjet printer. ... If you’re looking for a machine to tumble large rocks, this DIY project is perfect for ...Nov 14, 2021 · Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock Tumbler for Adults and Kids 4,308 $79.99 $ 79 . 99 6:2410000+ "rock tumbler" printable 3D Models. Every Day new 3D Models from all over the World. Click to find the best Results for rock tumbler Models for your 3D Printer.Feb 29, 2020 · This is my attempt at a DIY Rock Tumbler with nothing more than an idea of how I assume they work. I have zero rock tumbling experience and this may be a fa...Also rinse your rocks off (either by hand or in a colander) and then place them into the barrel. The barrel should be at least 2/3 of the way full, but ideally closer to 3/4 of the way full. If it's not full enough then top it off with some of your tumbling media. This is essential to get the proper tumbling action. ….

The Best Rock Tumbler Kit in Each Category. To make it easy, I've compiled a short list of the best rock polishers for different categories: Best Performing Rock Tumbler (and my favorite): Tumble-Bee TB-22 ( Amazon) Best Rock Tumbler for Kids: Bryte ( Amazon) Best Beginner Rock Tumbler Kit: Komestone K1 Pro ( Amazon)I tumble a lot of large rocks. My experience has taught me this. Take the minimum interior distance, which is flat to flat inside of a barrel that is longer than it is wide. In a barrel that is wider than it is long, like the Lortone 6lb, it's the top to bottom distance inside that is shortest.Break the glass into pretty much the size you'd want your finished beach glass. Follow the instructions on your rock tumbler and fill with glass shards. Add silicon carbide grit 46/70 (follow rock tumbler instructions for quantity). Add water (following tumbler instructions for quantity). Let the tumbler run - I ran mine for 3 weeks.Feb 20, 2022 · Engraving Tumblers. I have previously shown how to engrave a pint glass and a tumbler. But what about those huge oddly-shaped tumblers? You’re gonna need a j...To create sea glass in a rock tumbler, it usually takes around 2-4 weeks. The length of time will depend on the type of rock tumbler you are using and the size of the sea glass pieces. You can make sea glass in a rock tumbler in a matter of minutes, resulting in straight-up sea glass. The rock tumbler is a great gift for a child with a science ...Dec 16, 2023 · Put in the rocks and screw on the lid. You need to tighten the drill around the bolt tightly to ensure it doesn’t move. Push the trigger and allow the rocks to tumble. The rock tumbling process starts with rough-edged rock, with the final product being smooth rocks with a polished surface.Yooperlite Tumble Stone, Natural UV Fluorescent Sodalite Polished Tumbles, Large Palm Pocket Size Emberlite Glowing Fire Rock Stone Crystal. (1.7k) $2.22. Jason Aldean Try That In a Small Town 20oz. Stainless Steel drink tumbler. (537) $25.00.Allow enough time for the glue to dry. Screw on the lid and add the rocks. To ensure that the bolt does not move, stiffen the drill around it. Allow the rocks to plunge by pressing the trigger. The rock tumbling method commences with rough-edged rock and ends with soft rocks with a glossy coating.Make this rock tumbler using a $10 electric drill as your motor.Large 2.5LB Professional Rock Tumbler Kit, 3-Speed Motor & 9-Day Timer, Rubber Barrel, Quiet Rotary Stone Polisher with 6 Belts, Rough Gemstones, 4 Polishing Grits, for Adults Kids . Visit the KoolStone Store. 4.6 4.6 out of 5 stars 1,115 ratings. 50+ bought in past month. Large rock tumbler diy, This item: NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit – Extra Large 2 Lb. Barrel with 3-Speed Motor & 9-Day Timer – Geology DIY Kits for Adults, Rock Collection Hobby, Great Educational STEM Science Kit . $75.99 $ 75. 99. Get it as soon as Thursday, Nov 16. In Stock., Jul 11, 2023 · I've assumed that if you're watching this video you know how to use basic tools. When I watch other rock tumbler build videos I often become hung up because ..., Dec 11, 2020 · Note gussets in bushings were silicon caulk filled. Note PVC discs were pushed into end caps, but only after the rounded end was pumped full of GE silicon caulk. By the way, a 2 or 3 pound rock was surrounded by average 1" to 1.5" tumbles and these things were run at 80 rpm with 1/4" to 3/8" SiC particles (chunks)., I have some rocks I need to tumble, so of course I decided to build my own rock tumbler! Check below for all the parts used.Here are all the parts on Thingi..., Polishing the Stones. Apply the finishing polish to the stones and gems. Using a heavy fabric such as denim, polish the rocks until they begin to shine or show luster. At this point, you may choose to either continue polishing with the cloth, or you may coat the stones and gems with mineral oil or commercial rock polish. Allow them to dry., If you are a little resourceful and have few hours to spare and basic "putting together" skills you can build a large tumbler for less than $100. You will need the following parts in order to assemble your own tumbler. 1. Electric Motor. 2. a drum. 3. pulley and a belt. 4. 2 x shafts and 4 ball bearings., Homemade DIY Custom Built High Capacity Rock Tumbler **MUST SEE**. Homemade DIY Rock Tumbler was built in only a few hours. This is an easy build anyone can make without breaking the..., Extra Large Rock Tumbler Kit with 3-Speed Motor and 9-Day Timer - Geology DIY Kit for Adults . Visit the NATIONAL GEOGRAPHIC Store. 4.1 4.1 out of 5 stars 104 ratings., Aug 10, 2022 · The first thing many people consider using when looking for a substitute tumbling grit is sand. The problem with sand is that it is too soft. Sand generally has a hardness of 7 to 7.5 of the mohs scale of hardness. Whereas silicon carbide is significantly harder at 9 to 9.5 on the mohs scale. The rocks you are tumbling, like quartz, amethyst ..., The Thumler's Tumbler Model B is also a great option for adults. It is a high-quality tumbler that is built to last and comes with a large capacity barrel. It is easy to use and produces smooth and polished rocks. Ultimately, the best rock tumbler for adults will depend on your specific needs and preferences., Buy NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Extra Large 2 Lb. Barrel with 3-Speed Motor & 9-Day Timer - Geology DIY Kits for Adults, Rock Collection Hobby, Great Educational STEM Science Kit online on Amazon.eg at best prices. Fast and Free Shipping Free Returns Cash on Delivery available on eligible purchase., Aug 11, 2023 · GITSENSE Professional Rock Tumbler Kit, Large 2.5Lb Barrel Rocks Tumbler Kit, Stem Science Gift for Kids and Adults, 9-Day Timer&3-Speed Motor, Include Rocks, Grits and DIY Tools $69.95 Rock Tumbling Rock Polishing Sanding Rocks Rock Identification Lapidary Equipment, The Best Rocks for Tumbling. Agate: Known for its beautiful banding patterns, agate is a variety of chalcedony that's perfect for tumbling. Its hardness level of 7 makes it durable enough to withstand the tumbling process. Jasper: Jasper is a type of quartz that comes in a variety of colors and patterns., 17. Build Your Own Rock Tumbler in One Day. 10. How To Make A Rotary Tumbler Machine. 4. Easy Homemade Rock Tumbler. 11. Homemade Rock Tumbler. 12. DIY Rock Tumbler. 13. DIY Rock Tumbler. 14. Rock Tumbler DIY. 15. Peach Jar Rock Tumbler. 5. How to Build a Rock Tumbler. 7. Affordable Rock Tumbler. 16. How To Make A Drill Powered Rock Tumbler. 1., Link to Build Instructions: Leave a message in the comments and I'll send it to you.Or, search Instructables for "Metal Parts Tumbler Polisher/Rust Remover/D..., Oct 11, 2008 ... The Tumbler will handle 2 1/2 tons of agate and is be powered by a 220 volt 7HP motor. Currently the Giant Tumbler is loaded with 1500 ..., Unlock the hidden potential of ordinary rocks with a rock tumbler! Turn rough, uncut gemstones into sparkling treasures with the power of tumbling. Create your own precious gemstones right in the comfort of your own home. Imagine the thrill of discovering a beautiful, polished sapphire or emerald hidden within a plain-looking rock. Whether you're a hobbyist or a professional, a rock tumbler is ..., All you'll need is a small plastic container with a screw lid, a gallon bucket, bolts threaded, nuts for the bolts, glue gun, aquarium rocks, electrical tape, drills and bits, 4 washers, and zip ties. Check out the tutorial if you want the accurate measurement of materials used. 5. How To Build A Rock Tumbler., Taxidermy work and Tanning skins, hides and capes will require a tumbler sooner or later for those special projects. It will also save you tons of work and ..., Nov 14, 2021 · Extra Large Capacity Barrel with 3-Speed Motor & 9-Day Timer, Kit Includes Rocks for Tumbling and Rock Polisher Grit, Rock Tumbler for Adults and Kids 4,308 $79.99 $ 79 . 99 6:24, 2. Change the drive pulley ratio so the mixer turns slowly (about 12 RPM). 3. Grease the drive mechanism regularly. 4. Don't put the rocks in the mixer then start it, have it running first then dump a bucket of rocks in. The starting torque may burn out the motor prematurely., Jun 5, 2007 · DIY Rock Tumbler. About five or six years ago, a friend of mine bought a house. In his basement was a very nice rock tumbler. I'm not talking about your run-of-the-mill, department-store discount, rock tumbler for kids. The one I'm talking about was meant to hold 10 pounds of rock within a sturdy, hexagonal rubber drum., Put the rocks of your choice in this slurry and cover the container with its lid. Use the same or similar types of rocks in your rock tumbler. Before adding the rocks, identify their type. It is difficult to identify the type after tumbling starts. If the lid is loose, use duct tapes to cover the mouth of the container., 1: CW/CCW change the direction of the motor. Connect to GND or to a PIN of your Arduino. 2: CLK Clock signal to set the desired speed of the motor. Around 400 to 1000 Hz. 3: READY We don't need this. 4: START We need a single pulse here to start the motor. Connect to arduino. 5: 5V connect to the 5V of the arduino., Old printers have some nice DC Motors, gears, and rollers which can be repurposed into a homemade rock tumbler. Still needs a few tweaks, and I'll wire it in..., I made a rock tumbler with some scrap wood, a water jug and some other supplies.Motor used is 12v 550rpmhttps://amzn.to/3P499oM, Search Thumler's UV-10 Rock Tumbler How To Properly Load the Bowl: Use a Range of Particle Sizes: This is a good general practice when running any rock tumbler. Use a range of material sizes to create many points of contact between the particles in the barrel. Learn about particle size balancing. A range of particle sizes in the tumbler bowl ..., Professional Rock Tumbler Kit, Large 2.5Lb Barrel Rocks Tumbler Kit, Stem Science Gift for Kids and Adults, 9-Day Timer&3-Speed Motor, Include Rocks, Grits and DIY Tools 4.4 out of 5 stars 400, Plus, we love that there’s an option to snag a slightly smaller 32-ounce tumbler for those who find the 40-ounce size too large. Pros: Large 40-ounce and smaller 32-ounce sizes, VEVOR Rock Tumbler Kit 1lb Rock Polisher Rough Gemstones 4 Polishing Grits. (46) $4899. In Stock. Add to Cart. Add to Wish List. VEVOR 3LB Rock Tumbler Kit, Direct Drive Professional Rock Tumbler, 4-Speed/9-Day-Timer, Rock Polisher with Rough Gemstones/Grits/Jewelry Fastenings, Stone Polishing Kit for Adults Kids, STEM Gift. (46) $5899., DIY Rock Tumbler. About five or six years ago, a friend of mine bought a house. In his basement was a very nice rock tumbler. I'm not talking about your run-of-the-mill, department-store discount, rock tumbler for kids. The one I'm talking about was meant to hold 10 pounds of rock within a sturdy, hexagonal rubber drum., NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit - 2.26 kg Mix of Rocks for Tumbling and Rough Gemstones - Rock Tumbler Supplies Include Rock Tumbler Grit and Polish Refill, and Unpolished Rocks dummy KomeStone K1 Large 2.5LB Professional Rock Tumbler Kit, Advanced 3-Speed Motor & 9-Day Timer & LCD Screen, 100% Rubber Barrel, Comes for a Family ..., Preparing to Burnish Place your polished stones in a perfectly clean tumbler barrel.Be sure that the barrel is 2/3 full - or enough that the stones will not produce excessive tumbling action. If necessary, add clean, broken in, ceramic cylinders if you don't have enough material to fill the barrel or if you need small particles as cushioning between large rocks.