National Geographic Rock Tumbler Refill Kit with 5 Lbs. Rough Rocks | 5 Lbs. Rough Rocks and Gemstones, 4-Stage Grit

Key features

• ENORMOUS VARIETY - This rock tumbler refill kit has 5 pounds of unpolished rocks and gemstones consisting of 2 pounds of gemstone mix, 1 pound of agate mix, 1 pound of Madagascar mix, and 1 pound of jasper mix.
• ROCK POLISHING GRIT – There are 20 total rock tumbler grit packets in the kit, enough for five complete tumbling cycles with any rock tumbler!
• JEWELRY SETTINGS – Once your rocks are polished, use the 5 included jewelry settings to create beautiful keepsakes or use the included storage pouch to keep your favorite specimens all in one place!
• DETAILED LEARNING GUIDE – The learning guide includes polishing instructions along with fascinating information about the stones in the kit.
• 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!

Free shipping included. 30-day hassle-free returns.