--- product_id: 446271029 title: "Blue Marble NATIONAL GEOGRAPHIC Premium Polished Stones - 2 Pounds of 3/4-Inch Tumbled Stones and Crystals Bulk, 4500+ Carats, Gemstones for Kids, Rock and Mineral Kit, STEM Toys" brand: "blue marble" price: "¥11682" currency: JPY in_stock: true reviews_count: 6 category: "Blue Marble" url: https://www.desertcart.jp/products/446271029-blue-marble-national-geographic-premium-polished-stones-2-pounds-3 store_origin: JP region: Japan --- # 4500+ carats polished brilliance 3/4-inch perfectly tumbled size 2 pounds premium gemstone weight Blue Marble NATIONAL GEOGRAPHIC Premium Polished Stones - 2 Pounds of 3/4-Inch Tumbled Stones and Crystals Bulk, 4500+ Carats, Gemstones for Kids, Rock and Mineral Kit, STEM Toys **Brand:** blue marble **Price:** ¥11682 **Availability:** ✅ In Stock ## Summary > 💠 Own a piece of the planet’s story — polished perfection in every stone! ## Quick Answers - **What is this?** Blue Marble NATIONAL GEOGRAPHIC Premium Polished Stones - 2 Pounds of 3/4-Inch Tumbled Stones and Crystals Bulk, 4500+ Carats, Gemstones for Kids, Rock and Mineral Kit, STEM Toys by blue marble - **How much does it cost?** ¥11682 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/446271029-blue-marble-national-geographic-premium-polished-stones-2-pounds-3) ## Best For - blue marble enthusiasts ## Why This Product - Trusted blue marble brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Educational & Engaging:** Includes a full-color ID sheet and learning guide to deepen geological knowledge and spark curiosity. - • **Gift a Legacy of Wonder:** Ideal for kids 8+ and adults, this kit inspires lifelong passion for science and natural beauty. - • **Versatile Style Statement:** Use as chic home accents, aquarium stones, or DIY jewelry components to elevate your creative projects. - • **Museum-Quality Polish & Detail:** Each gem reveals intricate natural patterns and vibrant colors, perfect for collectors and decor alike. - • **Explore Earth's Hidden Treasures:** Over 900 polished stones including agate, amethyst, and tiger's eye for hands-on STEM discovery. ## Overview The Blue Marble National Geographic Premium Polished Stones set offers 2 pounds of 3/4-inch tumbled gemstones totaling over 4500 carats. Featuring a diverse collection including agate, amethyst, rose quartz, and more, this STEM-focused kit comes with a detailed learning guide and ID sheets. Perfect for educational exploration, home decor, and creative crafts, it’s designed for ages 8 and up and backed by National Geographic’s trusted quality. ## Description The National Geographic 2-pound Premium Polished Gemstone Set is a fantastic collection of rocks, crystals, and minerals that kids and adults will love! This Kit Includes: 2 Pounds of 3/4-inch Polished Gemstones, 1 Learning Guide, 1 Full-Color Identification Sheet. The variety of gemstones in this kit is astounding! You'll receive Agate, Amethyst, Blue Quartz, Dalmatian Jasper, Green Aventurine, Hematite, Howlite, Red Jasper, Rose Quartz, Snowflake Obsidian, Sodalite, Tiger's Eye, Unakite, and White Quartz! Quantities of each gem may vary from kit to kit. This rock collection is a fantastic STEM set for kids with an interest in geology and rock collecting. It's also awesome for adults! These stones are perfect as aquarium rocks, or as stones for plants. You can use them as home decor in candle holders, alongside healing crystal displays, or incorporate them into your own homemade jewelry! A learning guide inside provides insight into each type of stone, and an identification sheet allows you to quickly recognize each gem in your kit. These polished gemstones are phenomenal because you can see beautiful, minute details in each rock and crystal. You and your family will treasure these specimens forever!National Geographic Toys makes the highest quality hands-on science toys, and all products are backed by exceptional service. About the National Geographic Society: With a mission to inspire people to care about the planet, the National Geographic Society is one of the world's largest nonprofit scientific and educational organizations. Review: Everything was as expected, thank you - My nephew absolutely loves these gems. He looks at them like they are treasure. Thank you very much Review: Brilliant gemstones - I purchased this set for my grandson who has shown a budding interest in geology as he’s learning about volcanoes, tectonic plates and the periods of time that we use to describe the evolution of the planet. I thought that it might be an idea to nurture his interest in a more tactile and physical activity by presenting him with this exciting mixture of gems and minerals and the identification chart and characteristics definitions contained there in. I also purchased a small magnifying glass and one with an ultraviolet sensor to aid in matching the gems to the images and descriptions in the charts. His response has been most encouraging and has also peaked the interest of his other siblings, cousins and friends. So, all good and positive and I might now find myself as the founder of a whole new society. The product itself, is good value for the money, well packaged, fully comprehensively designed with characteristics chart included. Delivered promptly and I was able to track it through every single step of the whole process. ## Features - THE ULTIMATE ROCK COLLECTION KIT - This STEM science kit lets kids explore 2 pounds of magnificent geological specimens! These include agate, amethyst, blue quartz, rose quartz, tiger's eye, sodalite, hematite, various jasper varieties, and more! - POLISHED GEMS REVEAL HIDDEN BEAUTY - This collection of stones and crystals is dazzling! The polished luster of the rocks and crystals in this kit make it possible to see minute details, revealing the hidden beauty of each rock and crystal inside! - GREAT HOME DECOR AND CRAFT ACCESSORIES - These rocks and crystals have many uses! They make great aquarium rocks, and are also good for plant and candle arrangements. Use them as gemstone home decor or with a jewelry making kit! The possibilities are endless! - LEARNING GUIDE AND ID SHEET INCLUDED - The learning guide and ID sheet in this set provide a deeper look into each rock and crystal. They're great for kids learning about geology and for adults who desire additional insight into their new stones! - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08MHW8GLF | | Age Range Description | 8 years and up | | Age range (description) | 8 years and up | | Best Sellers Rank | #66,822 in Toys ( See Top 100 in Toys ) #883 in Educational Science Kits | | Brand | Blue Marble | | Brand Name | Blue Marble | | Customer Reviews | 4.6 out of 5 stars 1,178 Reviews | | Educational Objective | Exploratory Skills | | Included Components | 1 Learning Guide, 5 Full-Color Identification Sheet, Premium Polished Stones | | Is Assembly Required | No | | Item Dimensions | 23.4 x 5.6 x 15.5 centimeters | | Item Type Name | Premium Polished Stones and Crystals | | Item Weight | 2.28 Pounds | | Item dimensions L x W x H | 23.4 x 5.6 x 15.5 centimeters | | Item weight | 2.28 Pounds | | Manufacturer | JMW Sales, Inc. | | Manufacturer Part Number | NG34PROCK2LB | | Manufacturer recommended age | 8 - 12 years | | Material Type | stones and crystals | | Model Number | NG34PROCK2LB | | Number of Items | 907 | | Number of Packs | 1 | | Set Name | Ultimate Rock | | Size | 2.2 x 9.21 x 6.1 inches | | Sub Brand | National Geographic | | Theme | Rocks and minerals | | UPC | 816448029516 | | Unit Count | 1.0 Count | ## Product Details - **Size:** 2.2 x 9.21 x 6.1 inches - **Brand:** Blue Marble - **Theme:** Geology - **Age range (description):** 8 years and up - **Item dimensions L x W x H:** 23.4 x 5.6 x 15.5 centimeters ## Images ![Blue Marble NATIONAL GEOGRAPHIC Premium Polished Stones - 2 Pounds of 3/4-Inch Tumbled Stones and Crystals Bulk, 4500+ Carats, Gemstones for Kids, Rock and Mineral Kit, STEM Toys - Image 1](https://m.media-amazon.com/images/I/91RBnfTZkkL.jpg) ![Blue Marble NATIONAL GEOGRAPHIC Premium Polished Stones - 2 Pounds of 3/4-Inch Tumbled Stones and Crystals Bulk, 4500+ Carats, Gemstones for Kids, Rock and Mineral Kit, STEM Toys - Image 2](https://m.media-amazon.com/images/I/81+NQoffMEL.jpg) ![Blue Marble NATIONAL GEOGRAPHIC Premium Polished Stones - 2 Pounds of 3/4-Inch Tumbled Stones and Crystals Bulk, 4500+ Carats, Gemstones for Kids, Rock and Mineral Kit, STEM Toys - Image 3](https://m.media-amazon.com/images/I/81zi7llEq-L.jpg) ![Blue Marble NATIONAL GEOGRAPHIC Premium Polished Stones - 2 Pounds of 3/4-Inch Tumbled Stones and Crystals Bulk, 4500+ Carats, Gemstones for Kids, Rock and Mineral Kit, STEM Toys - Image 4](https://m.media-amazon.com/images/I/81OHCd9HWxL.jpg) ![Blue Marble NATIONAL GEOGRAPHIC Premium Polished Stones - 2 Pounds of 3/4-Inch Tumbled Stones and Crystals Bulk, 4500+ Carats, Gemstones for Kids, Rock and Mineral Kit, STEM Toys - Image 5](https://m.media-amazon.com/images/I/81-DLvaPRoL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Everything was as expected, thank you *by K***W on 26 March 2023* My nephew absolutely loves these gems. He looks at them like they are treasure. Thank you very much ### ⭐⭐⭐⭐⭐ Brilliant gemstones *by J***Z on 8 September 2024* I purchased this set for my grandson who has shown a budding interest in geology as he’s learning about volcanoes, tectonic plates and the periods of time that we use to describe the evolution of the planet. I thought that it might be an idea to nurture his interest in a more tactile and physical activity by presenting him with this exciting mixture of gems and minerals and the identification chart and characteristics definitions contained there in. I also purchased a small magnifying glass and one with an ultraviolet sensor to aid in matching the gems to the images and descriptions in the charts. His response has been most encouraging and has also peaked the interest of his other siblings, cousins and friends. So, all good and positive and I might now find myself as the founder of a whole new society. The product itself, is good value for the money, well packaged, fully comprehensively designed with characteristics chart included. Delivered promptly and I was able to track it through every single step of the whole process. ### ⭐⭐⭐⭐⭐ Good value, very entertaining *by R***S on 4 February 2025* I have a six-year-old and a three year-old, they both loved this. I have to warn you, it gets really messy so make sure to lay some cardboard or a sheet or some newspaper down underneath. This is now a go to for birthday gifts and I plan on doing this as an activity for my kids at the next birthday party for my kids. Also, make sure you have a spray bottle handy so you’re not there for an hour. You just keep saturating the clay and it will degrade so they can get to the gemstones faster. ## Frequently Bought Together - NATIONAL GEOGRAPHIC Premium Polished Stones - 2 Pounds of 3/4-Inch Tumbled Stones and Crystals Bulk, 4500+ Carats, Gemstones for Kids, Rock and Mineral Kit, STEM Toys - NATIONAL GEOGRAPHIC Break Open 10 Premium Geodes – Includes Goggles and 2 Display Stands - Great STEM Science Kit, Geology Gift for Kids, Break Your Own Geodes with Crystals, Toys for Boys and Girls - NATIONAL GEOGRAPHIC Mega Gemstone Dig Kit – Dig Up 15 Real Gemstones and Crystals, Science Kit for Kids, Gem Digging Kit, Gift for Girls and Boys, Mining Kit, Rock Collection --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/446271029-blue-marble-national-geographic-premium-polished-stones-2-pounds-3](https://www.desertcart.jp/products/446271029-blue-marble-national-geographic-premium-polished-stones-2-pounds-3) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-28*