Test Tube Rack, 6 holes, wood

Pack of two test tubes.

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Everything you need for test tube experiments! This set contains 6 glass test tubes, a rack, cleaning brush, stoppers, and clamp.

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Learn how to differentiate bacteria using the Gram staining method. Identify Gram-positive bacteria & Gram-negative bacteria with this hands-on, top-rated Gram stain kit!

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Pack of two extra large test tubes, 20 x 150 mm.

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Stay safe with chemicals and chemistry labs using the appropriate personal protective equipment in this set! Each set comes with chemical splash and impact safety goggles to protect the eyes from any possible irritants.

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Launch into the relationships of the Solar System and solar objects in this kit for Grades 8-12. Use ancient calendars and observations of planets, stars to study movement of solar bodies in the universe with five hands-on experiences.

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Build your own mini drone. This kit includes materials for building your very own mini popsicle stick drone. Start with a simple design and then add features like hovering to this zippy little flyer.

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Learn about the patterns of harmonic motion by exploring springs and pendulums. This high school physics kit experiments with cyclical patterns, balanced, and unbalanced forces. Draw force diagrams, analyze forces, and more!

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Dig into Earth's history like a geologist with clues hidden in rock layers around the world. Model rock layers, the moon's formation, investigate how rusting happens in different conditions, and analyze a scientific article about geology.

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Look a little closer at the diverse yet little-known world of spiders with this classic full-color Golden Guide for all ages. Learn about characteristics, habits, growth, courtship, enemies, and more!

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