Advanced Professional Rock Tumbler Kit - with Digital 9-day timer & 3-speed polisher settings - Turn Rough Rocks into Beautiful Gems: Great Science Kit & STEM Gift for all ages: Geology & Mineralogy

• 💎 TURN ROUGH ROCKS INTO POLISHED GEMS: Discover and learn the fun process of rock tumbling with the Advanced Rock Tumbler. Pour in the rough stones and grit and let the machine do its job.

• 🔧 COMPLETE KIT: Includes: rock tumbler machine, low-noise barrel, 4 grit packets, 1/2 lb. assorted rough rocks, mesh strainer, jewelry fasteners, gem storage bag, and an illustrated easy-to-follow instruction and learning guide.

• ⚡ POWERFUL QUALITY: Runs on a powerful heavy duty motor that will last for a very long time, and includes a leak-resistant barrel that runs quieter than the other brands.

• ⚙️ ADVANCED FEATURES: Includes speed controls (providing more granular tumbling results), a 9-day timer (shuts off automatically when you desire), all displayed on beautiful LCD screens.

• 🎁 A FUN AND EDUCATIONAL GIFT FOR ALL AGES: It's not often that a science project can be fun and engaging, but this kit achieves both! It fascinates children as soon as they pull it out of the box and is a perfect STEM project for any age. It fosters a love for science, geology and mineralogy in a fun and exciting way.

Packaging Dimensions: 11.2 x 9.5 x 7.9 “