LED Greeting Card with Brittany Ransom

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2018年3月16日下午1:30至 下午 3:30
LED Greeting Card with Brittany Ransom

该活动已过期。请访问 活动日历 查看当前列表。.

Draw or paint a circuit to light up an LED using conductive ink. With just the drawn image of a simple circuit, a watch battery, and copper tape you can make a card that lights up!

LED Greeting Card with Brittany Ransom