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"PARKWAY PLASTICS, INC."
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Stem Explorations, Gears Building Set
Explore STEM concepts while building different geared models!
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Force Table Pulley
Plastic pulley with table clamp, includes hand knob for tightening.
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Moment of Inertia Disc on Magnet
Plastic disc to demonstrate rotational energy.
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Clear Plastic Overflow Can
This transparent overflow can is graduated to 125 ml and includes an attached spout.
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Estes Preassembled Rocketry Parachutes
Lightweight, tear-resistant parachutes in a variety of sizes.
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United Scientific Inertia Balance
Determine the mass of an object based on its oscillation.
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United Scientific Large Motion Cart
This large cart has plenty of room for setting up any motion activity.
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Vernier® Independence of Motion Accessory
Demonstrate Newton's laws of motion.
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Vernier® Cart Picket Fence
Accurately measure the velocity of your dynamics cart.
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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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Vortx® Vortex Demonstrator
Demonstrate the vortex action of a tornado with a dramatic lesson.
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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