Styrofoam ball, 3" diameter, individual

A pack of six strong, multi-colored ceramic ring magnets, 1 1/4" diameter.

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This 30 g bottle of sodium hydroxide comes in pellet form and may be substituted for granular lye. Discover the sodium hydroxide formula & more below! Sodium hydroxide is a corrosive & a poison; read warning labels carefully.

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This 30 ml bottle of hydrogen peroxide has a molarity of 9.8 M. Concentrated 30% hydrogen peroxide solution is a strong oxidizer and can be used in many Chemistry experiments, like the Elephant Toothpaste Experiment!

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Use these pH paper test strips to easily measure pH levels of solutions. Comes with color guide.

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This magnesium ribbon is about 0.01" (0.25 mm) thick and 0.125" (3 mm) wide.

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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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Two 1.2" ceramic bar magnets with ends marked North and South.

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Pentahydrate form of copper II (cupric) sulfate powder. Copper sulfate is a great chemical for growing beautiful blue crystals. Find copper sulfate powder's density, common uses of copper sulfate, and more below!

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This mini magnetic compass is 16 mm (5/8") in diameter. It is useful for designating the direction of magnetic fields in magnetism studies or for making a simple galvanometer for electricity studies.

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This 100 ml bottle of hydrochloric acid is a concentrated 1 Molar solution. Learn more about hydrochloric acid, and find the concentrated HCl density, concentrated HCl molarity, and more below!

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