"Wards"

Individual spherical glass lenses.

Designed for educational purposes and science classroom demonstrations of refraction principles and light physics.

Designed for educational purposes and science classroom demonstrations in optics, light refraction, spectrometry, and wavelengths.

Useful for physics and sound demonstrations.

High-speed pulley with low friction design mounted on a rod for easy integration into experiments.

Optical lenses, excellent for physics classroom demonstrations in optics and light refraction.