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This easy and simple to assemble circuit is a great option for beginners. It's based on the popular 555 Integrated Circuit. It includes two super large 8mm bright red LEDs which are real attentiongrabbers. It can be used as a ?Night Light? you can wear for safety when doing outdoor activities in the dark. You can also install it on your car dashboard as a burglar deterrent or use it to add light effects to toys and model trains.