"The Mystery of Lyle and Louise"

Basic college level general chemistry activity.

Makes demonstrations viewable by the entire classroom.

Individual spherical glass lenses.

Ideal selection for use with a ray box.

Bulk hole plates to expand your TeacherGeek collection

For Versatile Optical Applications

Individual spherical glass lenses.

The replacement chemicals kit contains 5g each of calcium chloride, cupric chloride, cupric nitrate, lithium chloride, potassium chloride, potassium nitrate, sodium bicarbonate, sodium chloride, strontium chloride and strontium nitrate.

All Types and Sizes for all Optical Applications.

Reveal the Nature of Color and Light

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

Individual spherical glass lenses.

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

A redefined and extremely robust hand-held gyroscope.