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These ceramic ring magnets have an inside diameter of 35 mm and an outside diameter of 45 mm.

A bare copper wire of the highest quality. Available in several standard AWG sizes.

Measures velocity and acceleration with durability and accuracy.

Excellent demonstration of compression for hooke's law. Approximately 300mm long with a 10mm diameter and wire of 19 SWG.

This wooden machine is elegantly designed and easy for students to use. Study levers and mechanical advantage both qualitatively and quantitavely.

Individual metal electrodes for electrochemical experiments.

Recreate the medieval weapon using counterweights.

This polished copper calorimeter set has everything you need.

Black liquid against lead-free, yellow back glass for easy readability and fewer reading errors.

Individual round glass lenses made with one flat side.

CONTAINER WHITE 2L 6.25D X 4.25H