Mineral Scale of Hardness Set, 9 specimens

Hey there, rock hounds! Use this 15-specimen Rock Study Kit for endless hands-on testing and observation. Inside, you'll find number-coded, 1" specimens of igneous, sedimentary, and metamorphic rock.

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This kit includes 24 unlabeled rock specimens, complete instructions, and the materials to identify each specimen.

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This complete mineral kit has number-coded, 1" specimens of 15 important minerals so students can handle, test, and learn all about them. Includes an identification key, a description of each mineral specimen & more!

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Get 1" rock & mineral samples (15 of each) and tools to inspect them in one boxed set. Kit has rock & mineral samples, magnifier, nail (hardness) & streak plate (color). So kids can handle, test & study rocks & minerals!

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This mineral test kit contains the tools you need to test and identify all the rocks and minerals you collect.

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This is an economical collection of 35 mounted and labeled 5/8" specimens.

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This deluxe rock collection for classrooms set of 50 number-coded loose 1" specimens is ideal for classroom use for all earth science studies. A great variety of rocks & minerals for your students to handle.

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This rock collection a student identification pack designed to complement the Washington School Collection, although it's also great to test your identification skills with.

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This comprehensive collection of rocks from North America includes 100 number-coded specimens packaged in two compartmented boxes.

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The Washington School Collection is a very popular rock and mineral collection used in many schools around the country.

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