One that really captivated them for me was putting some water on a paper plate to where it just covered the flat area, sprinkle on some black pepper around the entire plate, have them take turns placing one finger in the middle of the plate, and then declare with your god tier dad voice, "Dad's...
Seeing my kids expressions when I do the simplest of tricks is one of my favorite things. The detached thumb, quarter behind the ear, disappearing behind a thrown blanket while not hitting your knee running into the other room, etc. They're not all magic tricks, just mind blowers in general. I'm...