Economy Spectroscope Tube, Pack of 15

Details:

Basic spectroscopes able to view variable light spectra Hold it up to different lights to observe which wavelengths are present Light enters through the slit and is split by the diffraction grating at the other end Perfect activity for students at school or kids at home Spectroscope measures 10.25" long. Body has a diameter of 1", and ends have a diameter of 1.15"