Mailbox's Birthday is the third episode of Blue's Clues from the first season. Steve and Blue are getting prepared for Mailbox's birthday, as he has just turned a decade old. We play Blue's Clues to figure out what Mailbox's favorite birthday party game is while we help Mr. Salt and Mrs. Pepper decorate the cake and take a trip to the present store to get the perfect present for Mailbox. Question: What is Mailbox's favorite birthday party game? Clues: 1. A Tape Player 2. A Tape Cassette 3. A Cha