{"product_id":"c5-starter-rock-tumbler-kit-for-kids-beginners-quieter-rock-polisher-with-upgraded-noise-reducing-cover-3-speeds-9-day-timer-memory-rocks-grit-stem-guide","title":"C5 Starter Rock Tumbler Kit for Kids \u0026 Beginners, Quieter Rock Polisher with Upgraded Noise-Reducing Cover, 3 Speeds, 9-Day Timer \u0026 Memory, Rocks, Grit \u0026 STEM Guide","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eA Smarter Starter Rock Tumbler for Kids: Designed for kids and first-time rock collectors, the C5 combines beginner-friendly operation with useful controls for learning the rock tumbling process. It is easy to start with the first batch while offering more flexibility as young hobbyists gain experience.\u003c\/li\u003e\n\u003cli\u003eQuieter Tumbling for Home Use: The rubber barrel helps soften rock impact, while the fitted noise-reducing cover adds another layer of sound reduction. Together, they create a quieter rock polishing experience for kids and families during the multi-day tumbling process.\u003c\/li\u003e\n\u003cli\u003eSimple Controls for First-Time Beginners: The colorful control panel and illustrated step-by-step guide make it easy to choose a tumbling time and speed, start a batch and check progress along the way. Beginners can focus on polishing rocks without complicated setup or programming.\u003c\/li\u003e\n\u003cli\u003e3 Speeds, 9-Day Timer, Pause \u0026amp; Memory: Go beyond a basic starter rock tumbler with 3 adjustable speeds and a timer of up to 9 days for different polishing stages. Pause and resume to check the rocks, while the memory function keeps the previous settings for an easier restart.\u003c\/li\u003e\n\u003cli\u003eComplete Rock Tumbler Kit for the First Batch: Includes the C5 rock tumbler, rubber barrel, noise-reducing cover, 0.5 lb of assorted rough gemstones, 4 polishing grits, jewelry findings, mesh strainer, 2 replacement belts and an illustrated guide—everything needed to begin the first rock polishing project.\u003c\/li\u003e\n\u003cli\u003eHands-On STEM Learning Through Rock Polishing: Kids can watch rough gemstones gradually become smooth, polished rocks while exploring geology, minerals and the step-by-step tumbling process. Finished stones can also be turned into jewelry and crafts for a hands-on science activity with a visible result.\u003c\/li\u003e\n\u003cli\u003eMore Than a One-Time Rock Tumbler Kit: After polishing the included gemstones, young rock collectors can continue experimenting with suitable rocks they find and compare different results across batches. The C5 turns a first rock tumbling project into an ongoing geology and rock-collecting hobby.\u003c\/li\u003e\n\u003cli\u003eOfficial KoolStone Warranty – 𝟏 𝐘𝐞𝐚𝐫 𝐂𝐨𝐯𝐞𝐫𝐚𝐠𝐞 \u0026amp; 𝟗𝟎-𝐃𝐚𝐲 𝐑𝐢𝐬𝐤-𝐅𝐫𝐞𝐞 𝐓𝐫𝐢𝐚𝐥. Your purchase is protected by KoolStone’s official 𝟏-𝐲𝐞𝐚𝐫 𝐰𝐚𝐫𝐫𝐚𝐧𝐭𝐲 and a 𝟗𝟎-𝐝𝐚𝐲 𝐦𝐨𝐧𝐞𝐲-𝐛𝐚𝐜𝐤 𝐠𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞. Shop with confidence — we’re here to support your tumbling journey.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KoolStone","offers":[{"title":"Default Title","offer_id":48245614215319,"sku":"B0FN7JRX9B","price":64.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/51n_52sFM8L.jpg?v=1789041749","url":"https:\/\/tinkervanta.com\/products\/c5-starter-rock-tumbler-kit-for-kids-beginners-quieter-rock-polisher-with-upgraded-noise-reducing-cover-3-speeds-9-day-timer-memory-rocks-grit-stem-guide","provider":"TinkerVanta","version":"1.0","type":"link"}