Will it fall? Eventually, yes :)
I really like the idea in this one; the eye is peering out quite cheekily. However the tones in this image seem flat on my screen.
Q: This one?
A: Not if your smart
I like the focus on the blocks but wonder how this would look with the face in and the blocks out. If you ran a trial like that it would be fun to see.
Answer: Yes
Question: If I take this one, will it fall?
imo, dof is a bit too shallow - hand is not in focus, neither is Jenga logo. Nice fill the frame top to bottom with the Jenga tower. I also like that the picture does not give you enough information to know whether it will fall or not. I think the picture works - the closeness of his face to the tower, the look of concentration, enough information to communicate the concept (although I know what Jenga is, so maybe that is a bit of a cheat...