Pack of six test tubes.

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These four metal cylinders have equal volume but different mass to demonstrate variations in density and specific gravity.

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Pentahydrate form of copper II (cupric) sulfate medium crystals. Copper sulfate is a great chemical for growing beautiful blue crystals, and the crystalline form of copper II sulfate is the best for making solutions.

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This weighing paper is strong, smooth, non-absorbent, moisture-proof, and nitrogen-free.

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This 100 ml bottle of bromothymol blue is a pH indicator. It is yellow at 6.0 pH, blue at 7.6 pH, and green at neutral pH. Find the bromothymol blue formula, density, and more below!

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This 8 mm (5/16") flexible rubber tubing is the right size for connecting to tubing connectors on glassware like condensers and filtering flasks.

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Zinc powder, or zinc metal, is a chemical element with the symbol Zn and an atomic number of 30. This 15 g bottle of zinc powder is small in size for home experiments. Find the zinc powder formula, density & more below!

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Disposable 90 x 15 mm dishes & covers.

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A quality optical glass 1/2"-diameter doublet lens mounted in a chromed steel folding case.

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Save money with a plastic beaker! Suitable for many laboratory uses.

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This value-priced set of plastic beakers includes five different sizes, ranging from 50 ml to 1000 ml.

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Standard D-size batteries. You will receive either Ultralast or Dorcy brand batteries, depending on supply availability.

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A large, double lens, 5x - 10x magnifier that you can take with you wherever you go! This handheld magnifier is perfect for getting an up-close look at the details of insects, plants, rocks, household objects & so much more.

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Use this battery holder for D-size batteries. It has quick-connect Fahnestock clips.

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This 2000ml PYREX narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame.

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These nitrile gloves are stronger than typical latex gloves and perfect for individuals with latex allergies.

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Get a complete set of six polypropylene (plastic) graduated cylinders ranging in size from 10 ml to 1000 ml.

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One ceramic bar magnet for use in science labs.

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An extension clamp is very versatile in setting up distillation or other laboratory equipment.

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This wooden pinning block with three steps allows you to uniformly set the pinning height of insect specimens and labels with ease.

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Red litmus paper is a base indicator. It turns blue at 8.1 pH and higher, indicating alkaline solutions.

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Use this transparent, tubular spring scale to weigh an object in grams or Newtons by simply suspending from the hook.

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This strip is 3/4" wide and 4" long. It weighs about 12 grams.

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This 1000 ml polypropylene beaker is much less expensive and suitable for many laboratory uses.

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Study the friction between two surfaces and the forces on an inclined plane.

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Use this pencil to mark glassware when doing science experiments.

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This 400 ml PYREX low-form Griffin beaker is used in professional labs. It is made from low expansion, Type 1, class A borosilicate glass that can be heated directly in an open flame.

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Transform a 3-dimensional mountain replica into a 2-dimensional topographic map as you teach your children how contours represent different levels of elevations.

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A useful apparatus for demonstrating thermal expansion.

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Use to check the presence of glucose in a solution.

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This AC spark recording timer is used to measure velocity and acceleration of falling or moving objects in dynamics studies.

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This affordable rock pick has a hardened steel 10-ounce head, tubular steel handle, and vinyl grip.

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This high-quality graduated cylinder is accurate, easy to read and chemically resistant for all applications. Imported. Approximately 17 cm tall with 2.5 cm diameter.

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This preserved turtle dissection specimen has vessels that are double injected with red and blue latex. Do a turtle dissection to learn about a turtle's skeletal system, circulatory system, digestive system & so much more!

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Handheld clamp holder for heating a single test tube over a flame.

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Gray's Anatomy Coloring Book, by Fred Stark, is a fact-filled coloring book with more than 100 adaptations of the illustrations from the original Gray's Anatomy.

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