"The Mystery of Lyle and Louise"

Demonstrates the relationship between mass and volume.

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.

Magnetic wand, Use this wand with our magnetic marbles or other magnetized items or pick up those paper clips you just dropped. It has many uses and is fun to watch in action.

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.

A thin aluminum coating produces great sensitivity to electrostatic charges. Styrofoam pith-like balls measure 8 mm in diameter and each has a silk suspension cord.

Ideal selection for use with a ray box.

One Racer, Endless Design Possibilities

Bulk hole plates to expand your TeacherGeek collection