"orange de méthyle"

Demonstrate the optical principles of lenses and mirrors.

Efficiently illustrates the various types of diffraction.

Individual spherical glass lenses.

Frosted acrylic lenses for optical experiments.

This updated Ray Box uses five super bright LEDs for bright, white rays that are clearly visible.

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.

A classical experiment to determine the speed of light in air.