Platform scale, 450 g capacity

When working with chemicals or projectiles that can splash or enter the eye, it's important to develop a habit of always wearing the proper eyewear. These wraparound, impact-resistant safety goggles are an excellent choice!

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Convert your paper airplane into a flying machine! The POWERUP 2.0 is an easy to use design, with a carbon-fiber propeller shaft and ultra-tough rear propeller to make your flight virtually crash-proof.

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This 30 ml bottle of sodium hypochlorite bleach can be used as a substitute for household bleach (approximately 5% available Chlorine). Find its chemical formula, density, grade, and more below!

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Use this DIY telescope kit to explore the science of some of the earliest telescopes! Build a single, simple refracting telescope & study the included detailed guide to learn different aspects of basic astronomical viewing.

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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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All of these neoprene/latex gloves are very chemical resistant.

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All of these neoprene/latex gloves are very chemical resistant.

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This pocket scale provides economical weighing to the nearest 0.1 g.

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A spring scale measures weight or force when an object is hung from its hook.

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Economical 2 mil polyethylene 28"x45" apron. Liquid proof and acid resistant.

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