Here are a few tiny robots that were crafted using recycled and surplus electronic components from their computers, cell phones and other devices. His eyes are two LEDs and solar panels have the juice to meet Dom and for giving the ability to walk at a speed of 1.5 cm per second in bright sunlight.
The robots also work in small rooms, such as fluorescent light. We have a few interesting on this list, as shown above, one who sings like a bird when it has been played in full sunlight.