Description

Polypropylene round test tube rack holding 12 tubes — four at 25 mm and eight at 19 mm — with 360-degree access for benchtop chemistry demonstrations and student experiments

87-inch focal length

supporting small-feature eye anatomy teaching

Fourteen-orbital-shape model set with detailed illustrated instructions

this analog DC ammeter at 0

Simple Machines Wedge Model Material_Aluminum Polypropylene round test tube rackUsed to demonstrate how a wedge multiplies force during splitting, this wooden simple machine model lets students measure input effort against output splitting force at different wedge angles.

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Simple Machines Wedge Model Material_Aluminum Polypropylene round test tube rack

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