Rock Tumbler
Rock Tumbler
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Specifications
Discover the magic of geology with the Thames & Kosmos Rock Tumbler! This hands-on science kit transforms ordinary rocks into beautiful, polished gemstones through real tumbling action. Perfect for curious kids and hobbyists alike, itâs an exciting way to explore earth science while creating dazzling treasures.
This durable, easy-to-use rock tumbler includes everything you need to get startedârough gemstones, polishing grits, and detailed instructions. Watch as rough stones slowly become shiny, smooth, and ready for display or jewelry making.
Features:
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Includes tumbler, rocks, polishing grits, and manual
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Teaches earth science, geology, and patience through fun experimentation
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Great STEM activity for kids ages 8+
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Durable motor and clear barrel for easy viewing
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Create stunning polished gems for keepsakes or gifts
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