To access the decoding patterns, push the top of each circle that has an image. This will flip the circle from the image to the pattern. To begin the game, you'll want to make sure all circles show the image side—not the pattern side—and the back of the board is empty/blank.
For a great explanation of how this activity works, checkout this video of our CEO, Jessica, introducing The Reading Skill Set Part 2. You can skip ahead to 1:35 to see more about the Mystery Word Decoder.