Test Tubes, polystyrene, 13 x 100 mm, 12 pack

Pack of six test tubes.

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Pack of two test tubes.

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Get lab glass test tubes in three sizes: small, large & extra-large. The large and extra-large borosilicate test tubes comes in packs of two, while the small come in packs of six. Bulk pricing discounts apply for them all!

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This rock tumbling drive belt comes straight from Tumble-Bee, making it the perfect replacement for a worn or broken drive belt on your single-barrel Tumble-Bee tumbler or double-barrel Tumble-Bee tumbler!

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Use the Atoms, Isotopes & Ions Kit to build a series of atoms with various electron configurations & energy levels. Comes with a detailed teacher's guide & student worksheet! Complete in 2 - 4 class periods (40 min. each).

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This kit is designed specifically for the Sauk Valley Community College Chemistry 103 course.

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Take the next step in building bristlebots! Build a light-tracking or solar-powered toothbrush robot. Brushes & googly eyes are not included in this kit. Use the fun design ideas shown to inspire your own creations!

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These student-grade glass coverslips for microscope slides are an excellent value.

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Get your class excited about science with this set of 30 clear, unbreakable giant test tubes.

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This 10 ml graduated cylinder, only from Home Science Tools, is made from our best thermally-stable borosilicate glass.

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