Explorer Series Rock

Rock Tumbler Kit Create Your Own Gemstones

• Create Your Own Gemstones Transform rough rocks into dazzling polished gems! Easy-to-use rock tumbler makes it fun to learn the science of geology.

• Durable & Quiet Built to last with a high-quality motor and a leakproof rubber barrel that runs 75% quieter than plastic models.

• Complete Hobby Kit Includes tumbler, 4 polishing grits, sifter, 9 types of real rough gemstones, and a full-color learning guide.

• Simple Operation One-touch timer and automatic shutoff let kids set it and forget it for each tumbling cycle.

• Trusted Quality From Blue Marble, winner of the Toy Associations Toy of the Year Award, known for educational, creative STEM kits.

Ages 8+ | For 1 or more players