An Arduino uses a set of LEDs and an RFID reader to bring the object alive. A matching ring contains the RFID tag that activates the lights when held up to the lantern’s lens.

The Arduino is a cheap electronics board that allows you to make your own electronics without a ton of coding experience . We love the Arduino, but l ...

At first, I balked at the price tag. But this glowy night-light looks just as good on as it does off.