3 Play Doh ABC Surprise Eggs, Learn the Alphabet Letter O - Olaf Obi-Wan Kenobi Angry Bird Onion Ostrich Orange Open cool surprise eggs and learn new .\r \r Letter O, Letter O Song, Letter O Sound, Alphabet Letter O. The Letter O Song by Have Fun Teaching is a great way to learn all about the Letter O. Use this music .\r \r \r \r \r \r \r \r