Learn the science behind the power!. The Enviro Battery uses natural materials like mud, lemons and water to power a light bulb, a watch, and activate a music chip.
Wooden Solar Windturbine
Wooden solar windturbine toy.
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Wooden solar toy windturbine.
The small solar cell will start spinning the rotor as soon as sunlight or a direct lightbeam hits its propeller
Very nice and well finished colourful toy.
Want to see it go?? Please click on the video.
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