This super-complex clock is also super cool. On exhibit at a museum, it has hundreds of moving parts and an Etch A Sketch to write the time every minute.
Watch next video Here's what is really inside of a lava lamp
Related Videos
Stop robocalls for good with Kim’s new eBook
Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.