This German made woddern helicopter has solar panels fitted to the blades causing them to spin when in direct sunlight. Of course it doesnt fly... but does make for a nice knick knack to be sat on your windowsill.

This German made woddern helicopter has solar panels fitted to the blades causing them to spin when in direct sunlight. Of course it doesnt fly... but does make for a nice knick knack to be sat on your windowsill.

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