"The Mystery of Lyle and Louise"

For Versatile Optical Applications

Bulk hole plates to expand your TeacherGeek collection

These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.

Superior Grade Rubber Offers Softness, Resiliency, and Durability.

Squeeze and Study

Glass thermometers with Enviro-Safe Black liquid.

Useful for metal filing or glass cutting.

Ceramic Ring Magnets have a high resistance to demagnetization and don't need a keeper.

Individual spherical glass lenses.

Individual spherical glass lenses.