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These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.

Equipped with convenient plastic coated jaws.

Flexible mirrors for optical experiments.

Frosted acrylic lenses for optical experiments.

Quality resistors for electrical experiments.

Snap on battery connectors for your electronics projects.

Inexpensive yet accurate.

Small electrolysis apparatus with beaker included.

Quality ceramic resistors, perfect for physics experiments.

Equilateral prisms, made from high quality clear acrylic sheet.

Six aluminum replacement leaves for the Electroscope Assembly without Flask.

This gyroscope is a classic physics learning tool.

For physics experiments and demonstrations such as kinetic, density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid ball, 1-1/2" (40mm) diameter. Made of Steel. Sold as a pair. Comes with a Teacher's Guide.

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.