"The Mystery of Lyle and Louise"

Reveal the Nature of Color and Light

Real-world climate and sustainability investigations, powered by the popular BBC micro:bit!

A redefined and extremely robust hand-held gyroscope.

Bulk hole plates to expand your TeacherGeek collection

For Versatile Optical Applications

Individual spherical glass lenses.

Makes demonstrations viewable by the entire classroom.

Ideal selection for use with a ray box.

Provide a convenient way to illustrate the properties of lenses to students.

All Types and Sizes for all Optical Applications.