Interested in tinkering with circuits, but haven’t yet taken the plunge? This glow circuit assembly project is a great place to dive right in. In this step-by-step tutorial, you’ll create a penguin that can light up when assembled with two real electronic components: a light-emitting diode (LED) and a battery (3V Coin Cell).
Let’s do this! https://www.instructables.com/id/Glow-Circuit-Assembly-1/