National Geographic Rock Tumbler Machine, Amazing Gemstone Polishing Machine with Authentic Grit, Stones and Crystals | STEM Educational Rock Polisher Hobby Kit Gifts for Kids Age 8+

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  • NAT GEO SCIENCE KITS - Explore the expansive range of high quality STEM science kits from National Geographic, each containing everything necessary for your budding scientist's experiments. 27% of the licensing proceeds of each purchase give back to the fantastic National Geographic Society.
  • TUMBLING MADE EASY - Each stone polishing machine kit comes with everything they need to create beautifully polished gemstones! These polishing machines are packed with 9 varieties of included gems and 4 grades of grit to kickstart your kids' precious rock collection.
  • FASCINATING STEM HOBBY - Invite them to take up a hobby in the world of geology with our rock polisher machine! Each educational science kits for kids age 8+ includes a full-colour learning guide with easy-to-follow instructions to help young scientists learn all about gemstones.
  • PERFECT GIFT - This no-fuss stone tumbler polisher machine is ideal for the budding scientist in your life. Smart features like the auto shutoff timer and noise-reducing leak-proof barrel make them convenient and cool presents for 8+ year olds!

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