When the traditional white light ray boxes do not provide strongenough rays to be seen across a classroom of ambient light then we recommend this 635nm wavelength, 3/5 ray, monochromatic (laser) ray box, power
$ 44.08
$ 57.30
$ 44.08
$ 57.30
When the traditional white light ray boxes do not provide strongenough rays to be seen across a classroom of ambient light then we recommend this 635nm wavelength, 3/5 ray, monochromatic (laser) ray box, power
$ 97.92
$ 58.98
$ 45.37
$ 63.56
$ 48.89
$ 48.00
$ 76.22
$ 58.63
$ 26.00
$ 90.25
$ 69.42
$ 76.53
$ 58.87
$ 86.89
$ 66.84
$ 58.27
$ 44.82
