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Ray Box
This updated Ray Box uses five super bright LEDs for bright, white rays that are clearly visible.
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Replica Diffraction Gratings
These simple slide-mounted diffraction gratings are great for experiments with lasers and LEDs.
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Air Table with Air Supply
No more trying to chase down the air supply with this apparatus. Now you can buy an air table with an internal air supply for less than the cost of most tables alone.
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Student Laser Diffraction Kit
Efficiently illustrates the various types of diffraction.
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Pulley Demo, Advanced, Set
Nine pulleys and an innovative device combine to create a classroom demonstrations for each topic on pulleys in your curriculum.
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Prisms
Clear, Short Prisms for Index of Refraction and Dispersion
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TeacherGeek Sail Car
Harness the clean, green power of wind to move your car.
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K’NEX Education Intro to Simple Machines: Gears
Teach your students about gear ratios and different gear configurations and how these concepts are used to change the amount of applied force to an object.
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Guinea and Feather Apparatus
Compare the falling rate of a feather and a guinea (coin) with air resistance and in a vacuum.
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Density Identification Set
The Density Identification Set is ideal for an investigation lab.
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TeacherGeek Gear Set - 40-PIECE mixed colors
Gear set to expand your TeacherGeek ideas.

