The Daily Puzzle is a feature where you assemble random puzzles to win various rewards that will help you progress in the game.
A pop-up will appear when you first enter the game where you are able to see what puzzle is available for that day and what reward you will receive. You will also be able to find the puzzle by tapping on the puzzle icon.
The Daily Puzzle icon is available at the bottom of your island screen.
The Daily Puzzle icon can be found on the left side of your island screen.