I wouldn’t have thought pencil drawing over an image would look this good. It’s a combination of what you expect on the background and what you did not expect on the foreground. He actually came up with the idea while watching tv and writing a letter.

I was watching television and writing a letter at the same time a few weeks ago. Reading my letter before putting it in the envelope, I saw in transparency the television behind the paper. I then realize it would be great to make something similar in a single image showing 2 different actions.

Here are my favourites.[Source]

The concept sounds great. It will take the paper you don’t want and reform it into a pencil when you add the lead, glue and power. To sharpen it has a sharpener on the side. This concept has won China’s Lite-On award. Which awards eco-friendly concepts. The device will scroll your paper and make a pencil stick, it will not recreate wood for you. Designed by Chinese natives Chengzhu Ruan, Yuanyuan Liu, Xinwei Yuan and Chao Chen.[Source]