"The Mystery of Lyle and Louise"

Used to investigate wavelength in air.

Demonstrate the conversion of mechanical energy into electrical energy by generating a static charge.

Makes demonstrations viewable by the entire classroom.

Demonstrate the transfer of mechanical energy into electrical energy with a simple motion of your hand.

Demonstrate magnetic fields on your desk or overhead with this clear container of iron fillings. Using magnets, you can show students how the fillings move and cluster together.

Individual spherical glass lenses.

Frosted acrylic lenses for optical experiments.

Individual spherical glass lenses.

For your Electrostatic Needs!

Students use the St. Louis Demo Motor to research fundamental principles of electric motors and generators.

Ideal selection for use with a ray box.

The high-frequency coil can be used to test vacuum equipment for leakage or excite electrical tubes for demonstrations.

One Racer, Endless Design Possibilities

Bulk hole plates to expand your TeacherGeek collection

This one pound bag of #16 rubber bands make perfect belts for pulley driven mechanisms.

For Versatile Optical Applications