Not sure if this was shared already but stumbled upon a TED TALKS of JJ Abrams talking about a Mystery BOX. Thought you guys would be interested...
https://www.youtube.com/watch?v=vpjVgF5JDq8
https://www.youtube.com/watch?v=vpjVgF5JDq8
theory11 — Magic Tricks & the World's Finest Playing Cards