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Best rocks - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice
17% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Petra
17% Off

Petra Max Rock Glue for Landscaping, 1 Gallon - Wide Coverage & Pet Safe Mulch Glue for Rocks - Lockdown Gravel/Pebbles/Stones - Sticky Clear Gravel Binder & Decomposed Granite Stabilizer

Petra

$82.99

$99.99
(17% Off)

More Details
Main highlights
- WORKS EVEN WITH SMALL GRAVEL AND PEBBLES: Looking for a mulch glue for rocks & gravel lock liquid? Our rock glue doesn't only work on light and soft materials but also acts as a gravel stabilizer for hard and heavy ones like gravel and pebbles. You just need to apply a thick layer of the solution to make sure it holds the gravel or pebbles strongly.
- SUPERIOR STONE GLUE FOR ROCKS: Our landscape glue powerfully holds small gravel, small pebbles, mulch, wood chips, shells, sand, pine straw, hay and straw, and leaf piles in place - the perfect Landscape Adhesive. It improves the organic layer's resistance to erosion and displacement by wind and rain, but still allows water to pass through!
- PROFESSIONAL APPLICATION: Achieve a neat and beautiful landscape at home using our rock glue for landscape, pea gravel stabilizer, gravel and mulch stabilizer. It's ideal for use around trees, pathways, planting beds, borders, and slopes. This is a concentrated formula that works great with dilusion or can applied as is for extra strong hold.
- NON-TOXIC & PET-SAFE FORMULA THAT DRIES FAST AND LASTS LONG: Our proprietary spray on gravel binder formula goes down with a blue tint so you can see where you have sprayed, and then it quickly dries once applied, and you can already see the organic layer completely glued in half a day. The mulch adhesive also lasts for many months despite the intense rain or heat. The formula is also pet & environmentally friendly, and made in the USA!
- MADE IN THE USA & AMERICAN FAMILY-OWNED COMPANY: PetraMax is a USA-based company located in Carlisle, Pennsylvania. All PetraMax products have a 100% satisfaction guarantee and excellent USA customer service members waiting by the phones to answer any questions you may have. PetraMax continues to work hard to deliver top-quality solutions to keep your home, lawn, and places of business clean, green, and safe.
$82.99
$99.99 (17% Off)
2
26% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Blue Marble
26% Off

National Geographic Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults

Blue Marble

$47.99

$64.99
(26% Off)

More Details
Main highlights
- 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.
- 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.
- AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!
- A TUMBLER THAT'S MADE TO LAST – Our high-quality tumblers are made with a durable motor that’s 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!
$47.99
$64.99 (26% Off)
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Blue Marble

National Geographic Break Open 10 Premium Geodes – Includes Goggles & 2 Display Stands - Great STEM Science Kit, Geology Gift for Kids, Break Your Own Geodes with Crystals

Blue Marble

$31.99

More Details
Main highlights
- DISCOVER CRYSTAL TREASURE - Break open these rocks to reveal amazing crystals inside! Geology doesn’t 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.
- AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!
- 16 PAGE FULL-COLOR LEARNING GUIDE – You’ll 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!
- 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!
$31.99
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

National Geographic

National Geographic Rock Collection Box for Kids – 300+ Piece Gemstones and Crystals Set Includes Geodes and Real Crystals, Rocks and Minerals, Science Kit for Kids, A Geology Gift for Boys and Girls

National Geographic

$26.99

More Details
Main highlights
- IDENTIFY & EXPLORE – Learn to recognize amethyst, pyrite, rose quartz, tiger’s eye, and more with the help of the full-color Learning Guide and included magnifying glass.
- HUNDREDS OF EXOTIC ROCKS – This rock collection includes amethyst, aventurine, blue calcite, blue quartz, dalmatian jasper, desert rose, fluorite, hematite, pumice, red jasper, quartz point, selenite, snowflake obsidian, sodalite, and tiger’s eye.
- DISPLAY, SHARE & STORE YOUR COLLECTION – Safely store your collection in the included storage bag and use the magnifying glass to examine your favorite specimens up close.
- DISCOVER CRYSTAL TREASURE – Crack open two premium geodes to reveal dazzling crystal interiors—an unforgettable hands-on geology experience for kids.
- AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!
- A MASSIVE ROCK COLLECTION – A perfect standalone kit or expansion to any rock collection! Includes over 300 genuine rock, mineral, and crystal specimens from around the world.
$26.99
5
Best Value
30% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Blue Marble
30% Off

National Geographic Gemstone Dig Kit – Dig Up 10 Real Gemstones and Crystals, Science Kit for Kids, Gem Digging Kit, Gift for Girls and Boys, Mining Kit, Rock Collection

Blue Marble

$11.19

$15.99
(30% Off)

More Details
Main highlights
- 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.
- 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.
- 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.
- 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.
- AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!
$11.19
$15.99 (30% Off)

Best rocks - Holiday Sale 2025

Petra Max Rock Glue for Landscaping, 1 Gallon - Wide Coverage & Pet Safe Mulch Glue for Rocks - Lockdown Gravel/Pebbles/Stones - Sticky Clear Gravel Binder & Decomposed Granite Stabilizer

National Geographic Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults

National Geographic Break Open 10 Premium Geodes – Includes Goggles & 2 Display Stands - Great STEM Science Kit, Geology Gift for Kids, Break Your Own Geodes with Crystals

National Geographic Rock Collection Box for Kids – 300+ Piece Gemstones and Crystals Set Includes Geodes and Real Crystals, Rocks and Minerals, Science Kit for Kids, A Geology Gift for Boys and Girls

National Geographic Gemstone Dig Kit – Dig Up 10 Real Gemstones and Crystals, Science Kit for Kids, Gem Digging Kit, Gift for Girls and Boys, Mining Kit, Rock Collection

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