I needed to make 15 simple circuits with a light, battery and switch that could be easily assembled and disassembled multiple times for a Cub Scout camp activity. The light need to be bright enough to be visible in direct sunlight (working outside). And they needed to be as cheap as possible. The...By: JimMcKeeth
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Source: http://www.instructables.com/id/Simple-Light-Circuits-on-the-Cheap/
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