"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. 

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

This working meter can be used to demonstrate the working principle of AC or DC ammeters and voltmeters with the interchangeable plastic scales, available separately.

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

Calculate acceleration, drag, and friction by measuring the interval between dots.

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

Combining Economy and High Performance for Essential Weighing.

These Scout balances are the next generation of portable balances for the classroom.

Efficiently illustrates the various types of diffraction.