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

The National Geographic Professional Rock Tumbler Science Kit is a must-have for anyone looking to create beautiful gemstones from rough rocks! With its easy-to-use design, durable construction, and innovative features, this kit makes rock tumbling a breeze.

You'll receive one pound of rough rocks with 9 different types of gemstones inside, along with 5 jewelry fastenings, grit, strainer, and GemFoam polishing foam.

The updated easy-set timer has settings for hours and days, and with three tumbling speeds, you can achieve precise tumbling results.

Don't miss out on this incredible opportunity to turn rough rocks into stunning gemstones! Get your National Geographic Professional Rock Tumbler Science Kit today!