So cute! We were working with /oo/ words such as "shook" and "good" a while back. I wondered out loud if they could close their eyes and pick up a word with that sound in it. I demonstrated the skill and they were pretty impressed with how good I was at it! (90% of the words on their desks fell into the right category.)
They all tried it a few times before a discussion started about why it worked for them, too. Well, they all got to practice reading the words and it felt like a magic trick!