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Flywheel Powered zeCar
These wonderful "simple machines" are perfect examples of the wheel and axle in action.
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Fuel Cell Car Kit X7
Easy to use, this car demonstrates hydrogen as an alternative energy source for automobiles.
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MOVA Rotating Globes (New and Improved)
This globe continuously rotates without the need of an energy source other than the ambient light of your home or office.
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Power House
This kit focuses on the heat and light energy from the sun and the energy from the wind, as well as electrochemical and plant energy.
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Putt Putt Steam Boat
Using a small flame from a candle or a few drops of cooking oil, these 4 inch long boats will chug along for hours.
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World's Simplest Motor
This easily assembled motor is able to run for more than 5 hours on a simple D-Cell battery.
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