LED, yellow, diffuse type, 5mm

This basic diffuse type red LED (light emitting diode) is 5 mm in diameter and can be used instead of a mini light bulb in experiments.

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Insulated 15" wire leads to quickly connect electrical items.

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Use this basic green diffuse type LED in science experiments that call for a mini bulb.

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Use the Bubble Gum Chemistry Kit to make chewy long molecules, spheres of dubious strength, popping sounds, and viscoelastic bubbles. Delicious polymers & loudish sounds!

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Petri dishes are essential for growing bacteria.

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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 battery holder securely holds one regular D-size battery and has metal terminals for attaching wires with alligator or similar clips.

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This economical soil testing kit is a great tool for studying the effects of soil nutrients on plant growth or to improve your garden.

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Fabric strip that contains multiple fiber samples for chemical bonds labs and demonstrations.

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Get greater light output that lasts longer than a miniature bulb with this white LED! Perfect for your next science project.

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