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Rock Tumbler Hobby

# 210000132240
$75.99 Buy Now
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  • Currently In Stock
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Imagine taking dull, ordinary rocks and magically transforming them into sparkling gems…now you can!

With the Hobby Rock Tumbler from Discover with Dr. Cool, making beautiful gemstones is easy! Just add the polishing grit, water, and unpolished stones into the tumbling machine and set the timer. The machine will polish your stones into beautiful, shining gems! There is no better way for boys and girls to learn about geology. This science kit will provide hours of fascinating science fun and comes with everything you need to start exploring the exciting hobby of rock tumbling.

COMPLETE ROCK TUMBLING KIT – Includes tumbler and barrel, half pound of gemstones (9 different types), polishing grit (4 grades), jewelry fastenings, learning guide, and instructions

NOISE-REDUCING BARREL – Features a noise-reducing rubber barrel with stainless steel lid that is both leak-proof and much quieter than plastic barrels

SET IT AND FORGET IT – This easy-to-use tumbler has a programmable timer, giving you bigger results with less energy while never over-tumbling your rocks

100% SATISFACTION GUARANTEE – Includes 2-year warranty. Join the millions of parents who have chosen our award-winning science toys

This Science Kit includes:


• High-quality tumbling machine
• Noise-reducing rubber barrel with stainless steel lid
• Half pound of semi-precious stones including amethyst, quartz, tiger’s eye, jasper, agate, and more
• 4 grades of polishing grit
• Jewelry fastenings
• Adventure guide with educational information written by teachers
• Activity booklet with 10 puzzles and games to solve
• Easy-to-follow tumbling instructions
• 2-year manufacturer warranty

With the included jewelry fastenings, kids can even make their very own custom jewelry. Just mount the polished gems into the fastenings and they’re ready to wear!

Safety Information
  WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
Product Specifications
  • Brand: Discover with Dr Cool.
  • Item Number: 210000132240.
  • Manufacturer Number: HOBBYTUMBLER.
  • Recommended for ages : 8 to 13+.
  • Weighs approximately: 12.00 pounds.
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Local Pickup at Pick Up at Store after 24 HOURS: Ready after 24 HOURS for most orders, may be ready sooner.$0.00
US Value Shipping$20.00