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Same height, different diameters -- this capillary tube apparatus provides a fun way to demonstrate the impact of water levels in a dynamic, visual way.

Check in seconds to see if a solution is acidic with this blue litmus test paper. Includes 1,200 total strips (10 per vial).

Enhance your Chemistry and lessons on electricity with this economical pack of 10 pure carbon rods (each measuring 100 millimeters long and 4 millimeters in depth).

Test for alkaline pH levels with this red litmus test paper. Includes 1,200 total strips (10 per vial).

Do in-classroom or at-home blood sugar testing with 40 ready-to-use test strips.

Test out different pen or ink dye reactions with these 50 chromatography paper strips.

Show students an example of a chemical reaction that they can hold in their hand and feel with this reusable heat pack!

Need to demonstrate how to create heat? These compact 4x4 inch heat packs are reusable making them a convenient and economical choice.