Thomas Jefferson must be turning in his grave!
He didn't "invent" anything. He took apart a Micronta clock and put it in a pencil case. The kid is an idiot. He has produced nothing which required any creativity, and he misled people into thinking he had done something that takes more than 20 seconds.
Seriously, there is a video on Youtube where someone takes apart this same clock, and puts it in a pencil box. It took 20 seconds.
Here is a snippet of that video.