The Frogs help Quigley improve the new letter machines in the Letter Factory. Along the way, they learn about adjectives, solving problems using the engineering process, and consonant blend ... Read allThe Frogs help Quigley improve the new letter machines in the Letter Factory. Along the way, they learn about adjectives, solving problems using the engineering process, and consonant blend sounds.The Frogs help Quigley improve the new letter machines in the Letter Factory. Along the way, they learn about adjectives, solving problems using the engineering process, and consonant blend sounds.