Drive Belt for Lortone 33B Rock Tumbler

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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Discover Earth's intricate water cycle in this Accelerate Level (Grades 3-7) Earth and Space Kit. Your student will take a deep dive into the water cycle, turn salt water into fresh water and experiment with erosion.

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This kit is designed for the Sabbath Mood High School Chemistry Part 1. It includes many of the hard to find objects for completing the experiments throughout the course and for the year.

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Use this 2-pound bag of Brazilian tumbling rock (lapidary rough) in your rock tumbler and see it become beautiful polished stones! Rock specimens measure from 1" to 3" and represent many varieties and colors.

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Give plants and animals the oxygen they need to thrive with this electrical air pump. An air pump adds air bubbles, creates current, and agitates the water surface to promote gas exchange. It also helps maintain pH levels.

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This 30 ml bottle contains 90% isopropyl alcohol, which can be used for alcohol lamp fuel. Look below to discover the isopropyl alcohol formula, the boiling point of isopropyl alcohol, other isopropyl alcohol uses & more!

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These No. 14 lab-grade corks fit Pyrex 250 ml flasks and most 500 ml flasks.

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Diluted hydrogen peroxide, 6% solution, in a 30 ml bottle. Find the hydrogen peroxide formula, density, and more below. Plus, learn about how hydrogen peroxide is used in the Elephant Toothpaste Experiment!

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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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The Focus On Elementary Biology Student Textbook, 3rd edition, introduces students in grades K-4 to concepts such as domains & kingdoms, cells, plants, animals that sting, crawl, squirm & more! 16 chapters. 162 pages.

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