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rollstick
rollstick - electrical energy supply for Sahel region in Africa. consists of an aluminium stick and a wheel. wheel is a placeholder for batteries and dynamo. stick with LED lights insert at the end is a source of light and can be charged from the wheel's battery. dynamo generates low voltage power that can charge a wide choice of electrical devices. stick is detachable from the wheel and can be easily adapted to the surrounding. number of LED lights glowing informs about the battery level.