Semi-Permeable Membrane, 5'

This piece of dialysis tubing can be opened up to form a sheet of semi-permeable membrane that is 3-1/2" wide by 12" long.

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Don't want to purchase a ring stand and thermometer clamp? Check out this pack of 5 beaker thermometer clips to assist in your scientific experiments.

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Discover in-depth high school biology by diving into concepts including: DNA, genetics, physiology, neurobiology, digestion, and microbiology. Inspire learning with 13 unique, hands-on experiments, science supplies, and full-color manual.

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This amazing Snap Circuits My Home electronics kit helps turn on the lights to a better understanding of electricity. Discover how electricity powers your home, build an electric heater, 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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This high-quality acrylic burette has a 50 ml capacity with 0.1 ml divisions. It has readability & tolerance of +/- 0.1 ml, features a PTFE (Teflon) stopcock for ease of use, and can be used with pHs ranging from 1 to 14.

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This high-quality acrylic burette has a 25 ml capacity with 0.1 ml divisions. It has readability & tolerance of +/- 1%, features a PTFE (Teflon) stopcock for ease of use, and can be used with pHs ranging from 1 to 14.

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Prepared agarose gel is used in electrophoresis. This 200 mL bottle of 2% concentration agarose is used mostly with dyes.

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These sterile nutrient agar prepared plates are ready to use out of the box. This set of 5 agar plates can be stored for up to 30 days before using. Start growing bacteria in your classroom or at home!

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These #6 rubber stoppers are 26-32 mm in diameter with two 5 mm diameter holes.

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