simple science tricks Subscribe to my 2nd channel \rbr\rbrLight bulbs are a fairly simple invention and we can create our very own using some common household items. All you need to light up your day is a pencil lead, .\rbr\rbrSubscribe to my 2nd channel \rbr\rbrScience communicator Fran Scott makes a lightbulb using everyday materials such as batteries, a jam jar and some pencil lead. IMPORTANT: You will need one .\rbr\rbrMaking a homemade light bulb can be made more interesting by building it in a variety of containers. Rubber gloves, jars, paper bags, plastic cups, balloons, .