"WardsSci000618"

Spare color filter set to be used with Light Box and Optical Set.

Mounted polaroid sheets.

High Quality for the Classroom.

Complete demonstration for colors and LED properties.

Individual spherical glass lenses.

Individual round glass lenses made with high optical purity glass.

Lens holder for 50 mm lenses or mirrors for use with Eisco Optical Bench.

This laser ray box has several modes, with 1, 3, or 5 beams.

This laser ray box uses cylindrical LED lenses to focus the beam.