Thames & Kosmos Rock Tumbler Refill

Keep on rockin’ and rollin’ with this refill pack for the Thames & Kosmos Rock Tumbler. This pack includes a one-pound assortment of natural rock samples — including tiger’s eye, aventurine, rose quartz, and more — as well as four polishing grits. Use the included jewelry settings to create accessories from your specimens.

Easy returns
We want you to be thrilled with your purchase! That’s why we offer a 30-day return policy, which means you have 30 days after receiving your item to request a return. Learn more. Shipping
Orders ship USPS Priority Mail or UPS Ground, usually arriving in 3-7 business days. Shipping costs calculated at checkout. Expedited shipping is available for an additional fee. Shipping turnaround time is often within 24 hours. Learn more.