This is a diffraction grating spectroscope. Point one end at a light source and the
hold the other end to your eye to reveal a clear spectrum.
For more info on: Spectroscope - larger size 25x105mm
This is a pocket-sized diffraction grating spectroscope. Point one end at a light source and the hold the other end to your eye to reveal a clear spectrum.
For more info on: Spectroscope - Pocket size 12x55mm
This cleverly designed microscope is as powerful as many desktop microscopes but only a fraction of the size, weight and cost. It is ideal for use by children both indoors and out.
For more info on: Pocket Microscope
