....And does anyone have a picture or video to prove it?
I like seeing experiments in real life because Maths and Physics is so theoretical. I guess I could try myself, but it's difficult with imperfect playing cards (all my card decks have some cards with bent edges) and I don't have blocks of 50 flat pieces of wood of exactly the same size lying around. Obviously no experiment will be perfect, but I think someone with flat and same-size materials can replicate the theoretical experiment, and it would be aesthetically impressive.
I found a picture with 11 blocks, but the more blocks, the more impressive imo.