Grain of wheat light bulb is a small incandescent light bulb that operates on low direct current (DC) and alternating (AC) voltage. Usually used in miniature model houses or train sets, it can also be used in a variety of science hobby projects.
Our grain of wheat light bulb is 4.5mm in diameter and works on 1.5V, so it can be powered by a single AA or AAA battery. It comes with wire leads (7.5 inches or 19cm long) for easy connection.
Every science classroom or hobby electronics club should have some of these.
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