1. The Lightbulb gives you a random hint letter on the board.
  2. The Firework explodes and gives you multiple random letters on the board.
  3. The Bullseye lets you pick the exact square where you want a hint letter. Simply pick the icon and then the square of the letter you want to reveal.
  4. The Bees are auto hints that leave letters and coins at the beginning of a level.