Light source in metal housing on magnetic foil for experiments demonstrating ray optics on a whiteboard.With the help of rotating mirrors, the beams can be masked out individually. Lamp: 12V, 55W; Cord: 1.5 m w/ 4 mm plug
reflection and refraction demonstrator, 16cm diameter acrylic water tank has a 360 degree scale and a moveable arm carrying a laser activated by a push-button, Thumb screws on the side of the laser harness can be adjusted to finely position the laser beam
Light Color and Shadow Classroom kit, Contains: 8 sets of 3 high tech LED light sources - Red, Green and Blue(AA batteries), 30 diffraction gratings -500 lines/mm, 8 shadow supports, 30 protractors, Use it to share the light with school groups, School programs
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