Filters
"gel box"
Filters
Ray Box
This updated Ray Box uses five super bright LEDs for bright, white rays that are clearly visible.
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Ray Box, 3 Openings
This ray box is ideal for optical demonstrations in the classroom.
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4 Decade Resistance Box
The 4 decade resistance box is a handy and convenient way to investigate resistance.
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LED Ray Box
Demonstrate the optical principles of lenses and mirrors.
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Decade Inductance Box
Investigating Inductance has never been this easy
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Clear Cylindrical Lenses for Ray Optics
Ideal selection for use with a ray box.
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Color Filter, Plastic
Spare color filter set to be used with Light Box and Optical Set.
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Air Track, Complete with Gliders
With the Air Track, students can investigate motion phenomena at a precise level of measurement.
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TeacherGeek Wiggle-Bots
Wiggle-Bots are motorized contraptions that are designed and built by kids.
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Crazy Circuits Classroom Sets: Circuits 101
A complete classroom solution to the daunting task of teaching electronics.
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Concepts of Light Classroom Kit
Help Your Students Perceive How Light Behaves
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Crazy Circuits Classroom Sets: Programming 101
A complete classroom solution to the daunting task of teaching electronics and programming.