How to Solve Bomb Puzzles
Bomb Puzzle #1:
Rotate the dials so the number of dots on touching dials are the same.
Set the top dial to have three dots at the top and then the bottom two to touch the top one with two and one dot respectively.
Bomb Puzzle #2:
(Left) Press buttons: 2, 3, 4.
Bomb Puzzle #3:
(Right) Disconnect the cables connecting the bombs.
You can track them by rotating each circuit board and following the red cables and paths.
Cut: Top, Bottom, Middle.