Don't laugh at how easy this one is.....You can do this in 10 seconds or less!
Sheet of Felt (dark color is best)
Mommy Prep Directions:
Cut various lengths of the white yarn. They don't need to be very long--just a few inches or so. I cut 3 different sizes ~ some short pieces (about 2-3 inches), some middle size pieces (about 5 inches), and some long pieces (about 8-10 inches). It's not an exact science, I literally "eyeballed" it. The longest size helps with those curvy letters like S, O, Q, etc.
Use the yarn pieces to form letters, numbers, or shapes on the felt sheet. For tots that still need some support in letter formation, use a letter magnets or flashcards for help. Even though my son can identify all of the letters, he still needed this support to form them. At times, I noticed he even traced the letter with his finger.