"470334-300"

Operates 1/2 to 3 volts, 100ma start-up / runs at 15ma no load.  Strong torque - 300 RPM @ 1/2 volt. Great for gear drives.  2mm shaft dia. Size 1 1/4" dia x 1 1/4" long. 

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

Learn while you play with this interactive review game. Students play Bingo using 75 review cards covering the curriculum standards on rocks.

Nearly frictionless, accurate, durable.

Efficiently illustrates the various types of diffraction.

Optical lenses, excellent for physics classroom demonstrations in optics and light refraction.