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North-South Bar Magnets, Pair
This pair of North-South Bar Magnets is affordable and colorful.
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Vortx® Vortex Demonstrator
Demonstrate the vortex action of a tornado with a dramatic lesson.
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Patch Cord, Banana/Alligator
Flexible, 18 gauge wire with a banana plug at one end and an alligator clip at the other.
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Silk Friction Pad
Useful for exploring the build-up of static electricity in physical science classrooms.
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Three-Oscilloscope Probe Kit
Designed for use with general purpose oscilloscopes.
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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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Electric Swing Set with Magnet
Verify the mutual relationship between an electric current and its magnetic field.
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Electrolyzer (Set of 5)
Use the PEM Electrolyzer to produce hydrogen and oxygen using only pure water and an external power source. Take your pick of power sources, all available from Horizon: small solar cell, wind turbines, fuel cells, mechanical hand cranks, or batteries. Using the high-tech proton exchange membrane, this tiny electrolyzer will produce hydrogen for use in any classroom or laboratory activities.
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Wave Velocity Apparatus
This self-contained apparatus explores wave velocity.
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High Speed Gearbox
The High Speed Gear Box, High Efficiency, is perfect for high speed applications
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Worm Gearbox
With the Worm Gear Box, High Efficiency, it is possible to have high power or high speed with two different gear ratios
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Kid Inventor Basic Creative Electronics Kit
Using the materials in this kit young inventors can build over 120 projects, including a magnetic fan, a sound-activated musical doorbell, and a fingertip flashbulb.
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Gas Convection Apparatus
An ideal apparatus for studying convection currents in the air