Engines & Engine Kits for Science Lessons

Using a small flame from a candle or a few drops of cooking oil, the 4 inch long Putt Putt Steam Boat will chug along for hours. The Flywheel Powered zeCar is a perfect example of the wheel and axle in action. The PowerWheel is a micro hydro generator - an amazing tool for teaching lessons about energy, hydropower and other renewable sources of energy.
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