How it's done (complete video):
https://www.youtube.com/shorts/Gbm_IbDpYIE
#Alt4You: A block of green Lego leaves on a flat green Lego platform. As a hand turns a crank on the back, some of the leaves in the front move out of the way as a Homer Simpson minifig slowly slides out from the inside.
As the crank is reversed, Homer slowly retreats backward into the leaves, which return to cover it up again.
@dhry I am proud to say that I know Jason and he is an awesome human being as well as a master of LEGO mechanics. He has made a variety of incredible machines and they are all available on his site: