Rock Tumbler Refill Grit Pack

Get into the hobby of collecting and polishing rocks and minerals with this quality Lortone 3A rotary tumbler! Both durable & easy-to-use, this rock tumbler completely polishes a batch of rocks in just 4-6 weeks.

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Get professional rock polishing results with this Lortone double-barrel rock tumbler and deluxe rock tumbling kit. Tumble 6 pounds of rock at once and watch as rough rocks transform into beautiful, shiny gemstones!

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This single 2 lb barrel rock tumbling kit is a great introduction to rock and gemstone polishing! Includes a high-quality Tumble-Bee 2 lb rock tumbler, pre-sized tumbling rocks, tumbling grit, instructions & more.

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Polish rocks twice as fast with this quality Lortone 33B double-barrel rotary tumbler. The two barrels allow you to either polish up to 6 pounds of rock at a time OR coarse-grind in one barrel while polishing in the other!

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Your student will discover and understand of the world around them. This year-long curiosity-building bundle of six Science Unlocked kits will introduce your student to biology, chemistry, earth & space, and physics.

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What impacts do humans have on acid rain and ocean acidification? Your young environmentalist will recognize and test the impact pH has on the natural and man-made world with this earth science curriculum kit.

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This is a first-class 7X-45X trinocular stereo zoom microscope exceeds all expectations! This microscope includes a SUPER widefield optics and versatile LED illumination system. It great for microscopy imaging applications!

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Simulate and study the patterns of the sky! This Earth and space science curriculum kit will help any young astronomer learn and observe patterns in nature happening both here on Earth and in our galaxy.

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Eyes are astounding! Cow eyes, pig eyes, and sheep eyes have similar structures to that of a human eye. This comparative eye dissection kit provides an inside view of how the eye works. Explore subtle differences between three specimens.

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Populations change over time, but do you know how? Watch your young biologist learn and test the intricacies that impact population change. Study African Starlings and watch wonder come to life by building your own ant farm!

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