Potentiometer, 1000 ohm

Learn your blood type without the risk of disease transmission! This kit's synthetic blood samples give you the hands-on experience determining different ABO & Rh blood types.

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Discover the amazing microscopic world with Magnificent Magnification! Learn about what plants and animals are made of, what cells are and their parts, how microscopes work, what the microscopic world looks like, and more!

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Design and carry out investigations to discover the world of plant growth, including the variety in plant parts, plant needs, and what plants will do to meet their needs. It's the perfect gift for your developing botanist!

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The Day 'N' Night Ant Factory packs HUGE learning into watching tiny ants! Watch ants work 24/7 with a nutrient-rich ant farm gel that doubles as food and color-changing LEDs that light up the night.

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This small magnifying glass has a 2" optical glass magnifying lens and a sturdy plastic handle, making it an excellent handheld magnifier for kids of all ages.

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Handy for testing hardness of minerals.

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The fourth book in the Backpack Explorer series, this interactive take-along book invites kids to head out on a bug-seeking adventure to identify insects, learn about bug lives and habits through hands-on activities, and track discoveries.

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This is a high-purity live bacteria, allowing you to experiment with a single culture under various environmental conditions.

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Make your own DC motor with this excellent educational kit, ideal for learning how and why motors work using electromagnetism.

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5mm glass tube fit in all rubber stoppers & attach to 4.8 mm plastic or rubber tubing. Pack of two.

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