"WardsSci000475"

This set features a handy, economical selection of density cubes.

For Versatile Optical Applications

A Good Optics Set for Demonstrations or First Experiments

What Happens When You Combine All Colors of Light?

The 4 decade resistance box is a handy and convenient way to investigate resistance.

These long-lasting aluminum tuning forks have a full sound.

Parallel-Sided Blocks for Ray Optics

Instantly transform potential energy into kinetic energy.

Frosted acrylic lenses for optical experiments.

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.